Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1976_12_3_a9, author = {B. A. Bubnov}, title = {A mixed problem for certain parabolic-hyperbolic equations}, journal = {Differencialʹnye uravneni\^a}, pages = {494--501}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_3_a9/} }
B. A. Bubnov. A mixed problem for certain parabolic-hyperbolic equations. Differencialʹnye uravneniâ, Tome 12 (1976) no. 3, pp. 494-501. http://geodesic.mathdoc.fr/item/DE_1976_12_3_a9/