@article{01125933,
title = {Existence and multiplicity results for homoclinic orbits of Hamiltonian systems.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1997},
year = {1997},
zbl = {0890.34040},
language = {en},
url = {http://dml.mathdoc.fr/item/01125933}
}
Chen, Chao-Nien; Tzeng, Shyuh-yaur. Existence and multiplicity results for homoclinic orbits of Hamiltonian systems.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1997 (1997) . http://gdmltest.u-ga.fr/item/01125933/