@article{AIHPC_1996__13_2_229_0,
     author = {El Soufi, Ahmad and Jeune, Albert},
     title = {Indice de {Morse} des applications$p$-harmoniques},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {229--250},
     publisher = {Gauthier-Villars},
     volume = {13},
     number = {2},
     year = {1996},
     mrnumber = {1378467},
     zbl = {0853.58037},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPC_1996__13_2_229_0/}
}