Ll. Alsedà, J. Llibre.
Minimal periodic orbits for continuous maps of the circle having a fixed point.
In 1-50. Universitat Autònoma de Barcelona, Barcelona, 1984.
Abstract

Ll. Alsedà, J. Llibre, R. Serra.
Minimal periodic orbits for continuous maps of the interval.
Trans. Amer. Math. Soc., 286(2), 595-627. 1984. [DOI]
Abstract

J. Casasayas.
Qualitative analysis of the anisotropic Kepler problem.
PhD thesis, Universitat Autònoma de Barcelona, 1984.
Abstract

J. Casasayas, J. Llibre.
Classes of motion in the anisotropic Kepler problem.
In V CEDYA (Puerto de la Cruz, 1982), 459-468. Univ. La Laguna, La Laguna, 1984.
Abstract

J. Casasayas, J. Llibre.
Qualitative analysis of the anisotropic Kepler problem.
Mem. Amer. Math. Soc., 52(312), viii+115. 1984. [DOI]
Abstract

J. Chavarriga, A. Aubanell.
Periodic orbits for Chebyshev polynomials.
In V CEDYA (Tenerife, 1982), 411-442. 1984.

B. Coll.
On quadratic systems with a unique fine singularity.
Masters thesis, Universitat Autònoma de Barcelona, Bellaterra, September, 1984.
Abstract

J. Llibre.
Celestial mechanics in the works of Poincaré.
In The development of mathematics in the nineteenth century, 91-105. Inst. Estudis Cat., Barcelona, 1984.
Abstract

J. Llibre.
On the extendable regular integrals of the n-body problem.
J. Differential Equations, 54(2), 221-230. 1984. [DOI]
Abstract

J. Llibre.
Periods of continuous mappings of the interval and the circle.
Butl. Soc. Catalana Ciénc. Fís. Quím. Mat. (2), 17, 47-51. 1984. (In Catalan)
Abstract

M. Ollé.
Contribution to the restricted eliptic thre body problem.
Masters thesis, Universitat Autònoma de Barcelona, Bellaterra, September, 1984.

Ll. Alsedà, J. Llibre, R. Serra.
Minimal periodic orbits for continous maps of the interval.
In VI CEDYA (Jaca, 1983), 176-181. 1983.
Abstract

Ll. Alsedà, R. Serra.
The simple periodic orbits in unimodal maps.
Lect. Not. Physics, 179, 248-249. 1983.
Abstract

P. Ara, F. Cedó, A. Gasull.
El problema dels tres recipients (secció problemes i jocs).
Butl. Soc. Catalana Ciénc. Fís. Quím. Mat. (2), 14(1), 57-62. 1983. (In Catalan)
Abstract

J. Casasayas, J. Llibre.
Symmetric periodic orbits in the anisotropic Kepler problem.
In Dynamical trapping and evolution in the solar system, 263-270. Reidel, 1983.
Abstract

A. Gasull.
About the number of limit cycles of a generalized Liénard equation.
In VI CEDYA (Jaca, 1983), 373-377. 1983.
Abstract

G. Gómez, J. Llibre.
Capture/escape boundary orbits in the collinear restricted three body problem.
In Dynamical trapping and evolution in the solar system, 325-338. Reidel, 1983.
Abstract

M. Grau, J. Llibre, R. M. Ros.
On the periodic orbits of the Contopoulos Hamiltonian.
Lect. Not. Physics, 179, 284-286. 1983.
Abstract

J. Llibre.
El problema 16 de Hilbert: els sistemes quadràtics (Secció problemes i jocs).
Butl. Soc. Catalana Ciénc. Fís. Quím. Mat. (2), 15(1), 54-57. 1983. (In Catalan)
Abstract

J. Llibre.
Problemes i jocs.
Butl. Soc. Catalana Ciénc. Fís. Quím. Mat. (2), 13(1), 14-17. 1983. ((In Catalan))
Abstract