Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_151_2_a5, author = {T. G. Genchev}, title = {On ultraparabolic equations}, journal = {Doklady Akademii Nauk}, pages = {265--268}, publisher = {mathdoc}, volume = {151}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a5/} }
T. G. Genchev. On ultraparabolic equations. Doklady Akademii Nauk, Tome 151 (1963) no. 2, pp. 265-268. http://geodesic.mathdoc.fr/item/DAN_1963_151_2_a5/