@article{AIHPC_1993__10_4_377_0,
     author = {Buffoni, Boris and Jeanjean, Louis},
     title = {Minimax characterization of solutions for a semi-linear elliptic equation with lack of compactness},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {377--404},
     publisher = {Gauthier-Villars},
     volume = {10},
     number = {4},
     year = {1993},
     mrnumber = {1246458},
     zbl = {0828.35013},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPC_1993__10_4_377_0/}
}