Volume 1, Issue 4 Li-Li Wan Existence of homoclinic orbits for second order Hamiltonian systems without (AR) condition Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Li-Li Wan Find more articles with the same keywords homoclinic orbits second order Hamiltonian systems Mountain Pass theorem Find more articles with the same subject classes 34C37 37J45 47J30 58E05