%0 Journal Article %J Advances in Hamiltonian systems (Rome, 1981), 1--22, Ann. CEREMADE, Birkhauser Boston, Boston, MA, 1983. %D 1981 %T Recent advances in the study of the existence of periodic orbits of Hamiltonian systems %A Antonio Ambrosetti %B Advances in Hamiltonian systems (Rome, 1981), 1--22, Ann. CEREMADE, Birkhauser Boston, Boston, MA, 1983. %I SISSA Library %G en %U http://hdl.handle.net/1963/159 %1 3808 %2 Mathematics %3 Functional Analysis and Applications %$ Made available in DSpace on 2004-09-01T12:26:05Z (GMT). No. of bitstreams: 0\\n Previous issue date: 1982