@article{AIHPC_1996__13_1_95_0,
     author = {Alama, Stanley and Del Pino, Manuel},
     title = {Solutions of elliptic equations with indefinite nonlinearities via {Morse} theory and linking},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {95--115},
     publisher = {Gauthier-Villars},
     volume = {13},
     number = {1},
     year = {1996},
     mrnumber = {1373473},
     zbl = {0851.35037},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPC_1996__13_1_95_0/}
}