@article{AIHPC_1998__15_2_233_0, author = {Ambrosetti, Antonio and Badiale, Marino}, title = {Homoclinics : {Poincar\'e-Melnikov} type results via a variational approach}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {233--252}, publisher = {Gauthier-Villars}, volume = {15}, number = {2}, year = {1998}, zbl = {1004.37043}, mrnumber = {1614571}, language = {en}, url = {http://archive.numdam.org/item/AIHPC_1998__15_2_233_0/} }