Differential Equations & Applications · Volume 1, Issue 4 Existence of homoclinic orbits for second order Hamiltonian systems without (AR) condition 01-27 Pages 491-496 DOI 10.7153/dea-01-27 Downloads Short PDF Full PDF PNG Authors Li-Li Wan Keywords homoclinic orbits second order Hamiltonian systems mountain pass theorem Subject classes 34C37 37J45 47J30 58E05