@article{CM_1995__95_3_343_0,
     author = {El Soufi, Ahmad},
     title = {Indice de {Morse} des applications harmoniques de la sph\`ere},
     journal = {Compositio Mathematica},
     pages = {343--362},
     publisher = {Kluwer Academic Publishers},
     volume = {95},
     number = {3},
     year = {1995},
     mrnumber = {1318092},
     zbl = {0924.58012},
     language = {fr},
     url = {http://archive.numdam.org/item/CM_1995__95_3_343_0/}
}