@article{05313165, title = {Bifurcation for second-order Hamiltonian systems with periodic boundary conditions.}, journal = {Abstract and Applied Analysis}, volume = {2008}, year = {2008}, doi = {10.1155/2008/756934}, zbl = {1144.37025}, language = {en}, url = {http://dml.mathdoc.fr/item/05313165} }
Faraci, Francesca; Iannizzotto, Antonio. Bifurcation for second-order Hamiltonian systems with periodic boundary conditions.. Abstract and Applied Analysis, Tome 2008 (2008) . doi : 10.1155/2008/756934. http://gdmltest.u-ga.fr/item/05313165/