@article{GDZPPN00233450X,
title = {A variational approach to homoclinic orbits in Hamiltonian systems.},
journal = {Mathematische Annalen},
volume = {287},
year = {1990},
pages = {133-160},
zbl = {0731.34050},
url = {http://dml.mathdoc.fr/item/GDZPPN00233450X}
}
Zelati, Vittorio Coti; Ekeland, Ivar; Séré, Eric. A variational approach to homoclinic orbits in Hamiltonian systems.. Mathematische Annalen, Tome 287 (1990) pp. 133-160. http://gdmltest.u-ga.fr/item/GDZPPN00233450X/