@article{TSG_1986-1987__5__165_0,
     author = {Laffaille, Guy},
     title = {Valeurs propres et vecteurs propres d{\textquoteright}un op\'erateur de {Hecke} sur $S^2$},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {165--173},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {5},
     year = {1986-1987},
     mrnumber = {1046250},
     zbl = {0900.11033},
     language = {fr},
     url = {http://www.numdam.org/item/TSG_1986-1987__5__165_0/}
}