@article{05312426,
title = {Existence of four solutions of some nonlinear Hamiltonian system.},
journal = {Boundary Value Problems [electronic only]},
volume = {2008},
year = {2008},
doi = {10.1155/2008/293987},
zbl = {1144.37026},
language = {en},
url = {http://dml.mathdoc.fr/item/05312426}
}
Jung, Tacksun; Choi, Q-Heung. Existence of four solutions of some nonlinear Hamiltonian system.. Boundary Value Problems [electronic only], Tome 2008 (2008) . doi : 10.1155/2008/293987. http://gdmltest.u-ga.fr/item/05312426/