@article{BSMF_1971__99__313_0,
     author = {Delache, S. and Leray, J.},
     title = {Calcul de la solution \'el\'ementaire de l'op\'erateur {d'Euler-Poisson-Darboux} et de l'op\'erateur de {Tricomi-Clairaut,} hyperbolique, d'ordre 2},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {313--336},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {99},
     year = {1971},
     doi = {10.24033/bsmf.1724},
     mrnumber = {46 #2261},
     zbl = {0209.12701},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1724/}
}