TY - JOUR AU - Buffoni, Boris AU - Jeanjean, Louis TI - Minimax characterization of solutions for a semi-linear elliptic equation with lack of compactness JO - Annales de l'I.H.P. Analyse non linéaire PY - 1993 SP - 377 EP - 404 VL - 10 IS - 4 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1993__10_4_377_0/ LA - en ID - AIHPC_1993__10_4_377_0 ER -