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@article{DE_1978_14_7_a10, author = {M. G. Gasratov}, title = {A mixed problem of {Riquier} type for a hyperbolic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1235--1244}, publisher = {mathdoc}, volume = {14}, number = {7}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_7_a10/} }
M. G. Gasratov. A mixed problem of Riquier type for a hyperbolic equation. Differencialʹnye uravneniâ, Tome 14 (1978) no. 7, pp. 1235-1244. http://geodesic.mathdoc.fr/item/DE_1978_14_7_a10/