TY - JOUR AU - Alama, Stanley AU - Del Pino, Manuel TI - Solutions of elliptic equations with indefinite nonlinearities via Morse theory and linking JO - Annales de l'I.H.P. Analyse non linéaire PY - 1996 SP - 95 EP - 115 VL - 13 IS - 1 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1996__13_1_95_0/ LA - en ID - AIHPC_1996__13_1_95_0 ER -