Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1976_12_1_a4, author = {Z. D. Dublya}, title = {Boundary value problems for equations of the type of {Humbert's} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {36--40}, publisher = {mathdoc}, volume = {12}, number = {1}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_1_a4/} }
Z. D. Dublya. Boundary value problems for equations of the type of Humbert's equation. Differencialʹnye uravneniâ, Tome 12 (1976) no. 1, pp. 36-40. http://geodesic.mathdoc.fr/item/DE_1976_12_1_a4/