@article{AIHPB_1971__7_1_31_0,
     author = {Bonami, A. and Karoui, N. and Roynette, B. and Reinhard, H.},
     title = {Processus de diffusion associ\'e \`a un op\'erateur elliptique d\'eg\'en\'er\'e},
     journal = {Annales de l'institut Henri Poincar\'e. Section B. Calcul des probabilit\'es et statistiques},
     pages = {31--80},
     publisher = {Gauthier-Villars},
     volume = {7},
     number = {1},
     year = {1971},
     mrnumber = {290456},
     zbl = {0234.60094},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPB_1971__7_1_31_0/}
}