A. Gasull.
Differential equations that can be transformed into equations of Liénard type.
In Actas del XVLL Colloquio Brasileiro de Matematica, . 1989.
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A. Gasull.
Disappearance of limit cycles for some families of planar vector fields.
In European Conference on Iteration Theory (Caldes de Malavella, 1987), 225-230. World Sci. Publishing, Teaneck NJ, 1989.
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A. Guillamon.
An overview of mathematics in nineteenth-century in Catalonia.
Butl. Soc. Catalana Mat., 4, 47-67. 1989.
Abstract

J. Llibre, P. Mumbrú.
Renormalisation and periodic structure for bimodal maps.
In European Conference on Iteration Theory (Caldes de Malavella, 1987), 253-262. World Sci. Publishing, Teaneck NJ, 1989.
Abstract

J. Llibre, C. Piñol.
Transversal ejection-collision orbits for the restricted three-body problem.
In European Conference on Iteration Theory (Caldes de Malavella, 1987), 263-270. World Sci. Publishing, Teaneck NJ, 1989.
Abstract

A. Nunes.
Separatrix surfaces and invariant manifolds of a class of integrable Hamiltonian systems and their perturbations.
PhD thesis, Universitat Autònoma de Barcelona, Bellaterra, September, 1989.
Abstract

Y. Q. Ye, W. Y. Ye, J. C. Artés.
Bifurcation of saddle-node and separatrix cycle with the variation of the parameter in a certain quadratic differential system.
Ann. Differential Equations, 5(1), 99-106. 1989.
Abstract

Ll. Alsedà, J. Llibre, F. Mañosas, M. Misiurewicz.
Lower bounds of the topological entropy for continuous maps of the circle of degree one.
Nonlinearity, 1(3), 463-479. 1988.
Abstract

M. Carbonell, J. Llibre.
Limit cycles of a class of polynomial systems.
Proc. Roy. Soc. Edinburgh Sect. A, 109(01/02/09), 187-199. 1988. [DOI]
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A. Chenciner, J. Llibre.
A note on the existence of invariant punctured tori in the planar circular restricted three-body problem.
Ergodic Theory Dynam. Systems, 8^*, 63-72. 1988. [DOI] (Charles Conley Memorial Issue)
Abstract

B. Coll, A. Gasull, J. Llibre.
Quadratic systems with a unique finite rest point.
Publ. Mat., 32(2), 199-259. 1988. [DOI]
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A. Gasull.
Sobre la ley de Titius-Bode.
Bol. Soc. Ast. Barberà del Vallès, 1-5. 1988.
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A. Gasull, J. Llibre.
On the nonsingular quadratic differential equations in the plane.
Proc. Amer. Math. Soc., 104(3), 793-794. 1988. [DOI]
Abstract

G. Gómez, J. Llibre, J. Masdemont.
Homoclinic and heteroclinic solutions in the restricted three-body problem.
Celestial Mech., 44(3), 239-259. 1988. [DOI]
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E. A. Lacomba, J. Llibre.
Transversal ejection-collision orbits for the restricted problem and the Hill's problem with applications.
J. Differential Equations, 74(1), 69-85. 1988. [DOI]
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C. Simó, R. Martínez, J. Llibre, G. Gómez, W. Flury, J. Rodríguez-Canabal.
Relative motion near the triangular libration points in the Earth-Moon system.
In ESA, ESA Workshop on Optical Interferometry in Space, 157-170. 1988.
Abstract

M. Carbonell.
Contribution to the study of polynomial systems with homogeneous nonlinear part and to the chordal cubic systems.
PhD thesis, Universitat Autònoma de Barcelona, 1987.
Abstract

M. Carbonell, J. Llibre.
Existence and unicity of limit cycles for a class of polynomial differential equations on the plane.
In IX CEDYA (Valladolid, 1986), 117-121. Univ. Valladolid, Valladolid, 1987.
Abstract

A. Chenciner, A. Gasull, J. Llibre.
Une description complète du portrait de phase d'un modèle d'élimination résonante.
C. R. Acad. Sci. Paris Ser. I Math., 305(13), 623-626. 1987.
Abstract

A. Cima.
Indices of polynomial vector fields with applications.
PhD thesis, Universitat Autònoma de Barcelona, 1987.
Abstract