×

Error message

Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 3492 of /home/ret/www/includes/bootstrap.inc).

Notes and books

Enrique Artal Bartolo y José Ignacio Cogolludo Agustín (Universidad de Zaragoza)
Fernando Etayo Gordejuela (Universidad de Cantabria)
Marta Macho Stadler (Euskal Herriko Unibertsitatea)
Luis Javier Hernández Paricio (Universidad de La Rioja)