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@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://geodesic.mathdoc.fr/item/CM_1995__95_3_343_0/} }
El Soufi, Ahmad. Indice de Morse des applications harmoniques de la sphère. Compositio Mathematica, Tome 95 (1995) no. 3, pp. 343-362. http://geodesic.mathdoc.fr/item/CM_1995__95_3_343_0/