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@article{DE_1967_3_1_a2, author = {T. I. Zelenyak}, title = {On the question of stability of mixed problems for a quasi-linear equation}, journal = {Differencialʹnye uravneni\^a}, pages = {19--29}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_1_a2/} }
T. I. Zelenyak. On the question of stability of mixed problems for a quasi-linear equation. Differencialʹnye uravneniâ, Tome 3 (1967) no. 1, pp. 19-29. http://geodesic.mathdoc.fr/item/DE_1967_3_1_a2/