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@article{DE_1982_18_10_a17, author = {A. S. Rustamov}, title = {A mixed problem for an equation of composite type with variable coefficients}, journal = {Differencialʹnye uravneni\^a}, pages = {1794--1804}, publisher = {mathdoc}, volume = {18}, number = {10}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1982_18_10_a17/} }
A. S. Rustamov. A mixed problem for an equation of composite type with variable coefficients. Differencialʹnye uravneniâ, Tome 18 (1982) no. 10, pp. 1794-1804. http://geodesic.mathdoc.fr/item/DE_1982_18_10_a17/