@article{AIHPC_1987__4_3_275_0, author = {Ambrosetti, Antonio and Coti Zelati, Vittorio}, title = {Solutions with minimal period for hamiltonian systems in a potential well}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {275--296}, publisher = {Gauthier-Villars}, volume = {4}, number = {3}, year = {1987}, zbl = {0623.58013}, mrnumber = {898050}, language = {en}, url = {http://archive.numdam.org/item/AIHPC_1987__4_3_275_0/} }