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<doi_batch_id>666666</doi_batch_id>
<timestamp>1776572964</timestamp>
<depositor>
<name>PUBLMAT</name>
<email_address>pubmat@uab.cat</email_address>
</depositor>
<registrant>Departament de Matemàtiques de la Universitat Autònoma de Barcelona</registrant>
</head>
<body>
<journal>
	<journal_metadata language="en">
	  <full_title>Publicacions Matemàtiques</full_title>
	  <issn media_type="print">0214-1493</issn>
	  <coden>pubmat</coden>
	</journal_metadata>
	<journal_issue>
	  <publication_date media_type="print">
	    <year>1980</year>
	  </publication_date>
	  <journal_volume>
	    <volume>20</volume>
	  </journal_volume>
	</journal_issue>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Presentación de la geometría en el Bachillerato</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M. P.</given_name>
		  <surname>Bujanda</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>L.</given_name>
		  <surname>Molleda</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>17</first_page>
		<last_page>20</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_01</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_01</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Triángulos aritméticos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M.</given_name>
		  <surname>Díaz</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>21</first_page>
		<last_page>24</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_02</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_02</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Notas para un análisis de la situación actual de la enseñanza de las matemáticas en la escuela primaria</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>R.</given_name>
		  <surname>Pons</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>25</first_page>
		<last_page>29</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_03</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_03</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre la resolución de problemas de optimización en 3º de B.U.P.</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Taniguchi</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>31</first_page>
		<last_page>34</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_04</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_04</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Un enfoque quasi-empirico da teoria de probabilidades</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>X.</given_name>
		  <surname>Garcia</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>C.</given_name>
		  <surname>Saenz</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>37</first_page>
		<last_page>42</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_05</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_05</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Las memorias sobre algunas cuestiones de Álgebra de Alvear (1972) y Chaix (1807)</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>S.</given_name>
		  <surname>Garma</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>43</first_page>
		<last_page>46</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_06</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_06</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>El “nuevo método de enseñanza” de García de Galdeano</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M.</given_name>
		  <surname>Hormigón</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>47</first_page>
		<last_page>50</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_07</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_07</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Paradigmas y matemáticas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M.</given_name>
		  <surname>Hormigón</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>51</first_page>
		<last_page>54</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_08</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_08</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Noticia y biografía de la revista trimestral de matemáticas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>R.</given_name>
		  <surname>Rodríguez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>55</first_page>
		<last_page>59</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_09</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_09</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Análisis geométrico de los cortes de piedras y arcos en el Tratado de Arquitectura de Jean Charles de la Faille</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>I.</given_name>
		  <surname>Vázquez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>61</first_page>
		<last_page>64</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_10</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_10</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>D. Antonio María Aguilar y Vela, el primer probabilista español (1820-1882)</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. P.</given_name>
		  <surname>Vilaplana</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>65</first_page>
		<last_page>65</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_11</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_11</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre conectivos lógicos no distributivos para la teoría de los conjuntos borrosos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>C.</given_name>
		  <surname>Alsina</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>E.</given_name>
		  <surname>Trillas</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>L.</given_name>
		  <surname>Valverde</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>69</first_page>
		<last_page>72</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_12</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_12</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre funcions de negació feble per la teoria de conjunts difusos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Esteva</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>X.</given_name>
		  <surname>Domingo</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>73</first_page>
		<last_page>77</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_13</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_13</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Introducció d’interiors d’ordre en lògiques abstractes</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Font</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>79</first_page>
		<last_page>82</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_14</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_14</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Nota sobre el significado lógico de ciertas estructuras residuadas elementales</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Font</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>A. J.</given_name>
		  <surname>Rodríguez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>83</first_page>
		<last_page>86</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_15</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_15</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre ciertas expresiones de la función rango, independientes de la teoría de ordinales</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M. de J.</given_name>
		  <surname>Pérez-Jiménez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>87</first_page>
		<last_page>91</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_16</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_16</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre l’axiomàtica de Keisler de l’anàlisi no-standard</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Pla</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>93</first_page>
		<last_page>95</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_17</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_17</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Àlgebres quasi Hilbertianes</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Pla</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>V.</given_name>
		  <surname>Verdú</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>97</first_page>
		<last_page>99</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_18</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_18</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Cadenes de Sales discretes</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>A.</given_name>
		  <surname>Torrens</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>101</first_page>
		<last_page>103</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_19</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_19</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Caracteritzacions lògiques de certes àlgebres</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>V.</given_name>
		  <surname>Verdú</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>105</first_page>
		<last_page>107</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_20</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_20</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>$H^2(G,A)$ y obstrucciones de extensiones en categorías algebraicas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>E. R.</given_name>
		  <surname>Aznar</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>111</first_page>
		<last_page>114</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_21</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_21</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Triples asociados</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Barja</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>J. L.</given_name>
		  <surname>Freire</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>115</first_page>
		<last_page>117</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_22</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_22</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>El triple $\mathrm{Hom}(M,-)$ en conjuntos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Barja</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>M. A.</given_name>
		  <surname>López</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>119</first_page>
		<last_page>120</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_23</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_23</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Álgebras de Kleisli</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Barja</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>E. G.</given_name>
		  <surname>Rodeja</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>121</first_page>
		<last_page>123</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_24</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_24</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Una generalización del concepto de álgebra de polinomios</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Cano</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>125</first_page>
		<last_page>127</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_25</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_25</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Constricción respecto de homomorfos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>A.</given_name>
		  <surname>Cortes</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>129</first_page>
		<last_page>132</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_26</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_26</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre subteorías de la doble dualidad</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. L.</given_name>
		  <surname>Freire</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>133</first_page>
		<last_page>134</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_27</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_27</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Anillos conmutativos cuyas extensiones enteras verifican la propiedad de going-between</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Giral</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>135</first_page>
		<last_page>139</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_28</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_28</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>La dimensión débil de los anillos clásicos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. L.</given_name>
		  <surname>Gómez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>141</first_page>
		<last_page>144</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_29</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_29</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Notas sobre la clausura normal del Frattini de un $p$-subgrupo de Sylow</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M. J.</given_name>
		  <surname>Iranzo</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>145</first_page>
		<last_page>148</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_30</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_30</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Extensiones especiales en la cohomología de grupos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Jara</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>149</first_page>
		<last_page>153</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_31</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_31</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Una nota sobre cuadrados universales de grupos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Jara</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>155</first_page>
		<last_page>159</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_32</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_32</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre l’índex d’extensions relatives de cossos de números</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Llorente</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>E.</given_name>
		  <surname>Nart</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>161</first_page>
		<last_page>164</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_33</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_33</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Construcció d’extensions de cossos de números amb índex prefixat</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Llorente</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>E.</given_name>
		  <surname>Nart</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>165</first_page>
		<last_page>168</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_34</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_34</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Álgebras de Hopf adjuntas como módulos de Hopf</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>M. A.</given_name>
		  <surname>López</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>169</first_page>
		<last_page>171</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_35</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_35</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre ciertas estructuras polinómicas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Martínez</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>P. M.</given_name>
		  <surname>Gadea</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>173</first_page>
		<last_page>176</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_36</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_36</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre productos tensoriales de anillos regulares</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Menal</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>177</first_page>
		<last_page>183</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_37</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_37</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>A primitivity criterio</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>E.</given_name>
		  <surname>Nart</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>N.</given_name>
		  <surname>Vila</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>185</first_page>
		<last_page>187</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_38</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_38</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Bloques de Brauer nilpotentes y sus álgebras asociadas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>Ll.</given_name>
		  <surname>Puig</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>189</first_page>
		<last_page>193</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_39</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_39</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre cohomología en variedades de $\Omega$-grupos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>C.</given_name>
		  <surname>Rodríguez</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>L.</given_name>
		  <surname>Franco</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>195</first_page>
		<last_page>197</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_40</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_40</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre álgebras de Nash</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Ruiz</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>199</first_page>
		<last_page>203</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_41</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_41</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Grupos abelianos de tipo HM</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>I.</given_name>
		  <surname>Segura</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>205</first_page>
		<last_page>208</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_42</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_42</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Nueva demostración de la fórmula de Auslander-Buchsbaum</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Serrano</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>209</first_page>
		<last_page>210</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_43</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_43</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Computación de ciertos anillos de Witt</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Tena</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>211</first_page>
		<last_page>213</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_44</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_44</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>On lattice-dilations and contractions in f-rings</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Trias</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>215</first_page>
		<last_page>218</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_45</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_45</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Dominios “mínimos” donde están ciertas columnas de la tabla de caracteres de $A_n$</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>A.</given_name>
		  <surname>Vera</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>219</first_page>
		<last_page>222</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_46</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_46</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Grupos finitos con muchos normales minimales</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>A.</given_name>
		  <surname>Vera</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Pérez</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>223</first_page>
		<last_page>225</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_47</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_47</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>On block-quasi-tridiagonal matrices</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Vitória</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>227</first_page>
		<last_page>230</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_48</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_48</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Invariantes de anillos locales y deformaciones de curvas planas (en característica $P&#x003E;0$)</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>A.</given_name>
		  <surname>Campillo</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>233</first_page>
		<last_page>236</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_49</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_49</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre el comportamiento “anómalo” de la primera polar</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Goñi</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>237</first_page>
		<last_page>240</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_50</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_50</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Deformació semiuniversal del germe dels $n$ eixos coordenats de $C^n$</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Ferrer</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>241</first_page>
		<last_page>244</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_51</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_51</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Interseccions de germes de Gorenstein i codimensió tres</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Guillen</surname>
		</person_name>
		<person_name sequence="additional" contributor_role="author">
		  <given_name>P.</given_name>
		  <surname>Pascual</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>245</first_page>
		<last_page>247</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_52</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_52</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Correspondencias divisoriales entre esquemas relativos</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>D.</given_name>
		  <surname>Hernández</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>249</first_page>
		<last_page>253</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_53</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_53</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Correspondencias algebraicas sobre la curva genérica</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. M.</given_name>
		  <surname>Muñoz</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>255</first_page>
		<last_page>259</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_54</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_54</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Sobre la invariància topològica de la multiplicitat</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>V.</given_name>
		  <surname>Navarro</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>261</first_page>
		<last_page>262</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_55</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_55</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Clases de Chern de variedades proyectivas</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J. A.</given_name>
		  <surname>Navarro</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>263</first_page>
		<last_page>266</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_56</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_56</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Càlcul dels números de Hodge d’una hipersuperfície llisa en espais multiprojectius</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Panyella</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>267</first_page>
		<last_page>268</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_57</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_57</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Deformacions equivariants de germes d’espais analítics</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>F.</given_name>
		  <surname>Puerta</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>269</first_page>
		<last_page>271</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_58</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_58</resource>
	  </doi_data>
	</journal_article>
	<journal_article publication_type="full_text">
	  <titles>
		<title>Morfismos birracionales y teoremas de anulación</title>
	  </titles>
	  <contributors>
		<person_name sequence="first" contributor_role="author">
		  <given_name>J.</given_name>
		  <surname>Sancho</surname>
		</person_name>
	  </contributors>
	  <publication_date>
		<month>09</month>
		<day>01</day>
		<year>1980</year>
	  </publication_date>
	  <pages>
		<first_page>273</first_page>
		<last_page>276</last_page>
	  </pages>
	  <doi_data>
		<doi>10.5565/PUBLMAT_20180_59</doi>
		<resource>http://mat.uab.cat/pubmat/articles/view_doi/10.5565/PUBLMAT_20180_59</resource>
	  </doi_data>
	</journal_article>
</journal>
</body>
</doi_batch>
