Periodic solutions of a class of Hamiltonian systems with singularities
Ambrosetti, Antonio, Ekeland, IvarVolume:
114
Langue:
english
Journal:
Proceedings of the Royal Society of Edinburgh: Section A Mathematics
DOI:
10.1017/s0308210500024215
Date:
January, 1990
Fichier:
PDF, 712 KB
english, 1990