TY - JOUR AU - Ambrosetti, Antonio AU - Coti Zelati, Vittorio TI - Solutions with minimal period for hamiltonian systems in a potential well JO - Annales de l'I.H.P. Analyse non linéaire PY - 1987 DA - 1987/// SP - 275 EP - 296 VL - 4 IS - 3 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1987__4_3_275_0/ UR - https://zbmath.org/?q=an%3A0623.58013 UR - https://www.ams.org/mathscinet-getitem?mr=898050 LA - en ID - AIHPC_1987__4_3_275_0 ER -