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@article{DE_1992_28_12_a10, author = {K. B. Sabitov}, title = {On the existence of a solution to the {Tricomi} problem}, journal = {Differencialʹnye uravneni\^a}, pages = {2092--2101}, publisher = {mathdoc}, volume = {28}, number = {12}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_12_a10/} }
K. B. Sabitov. On the existence of a solution to the Tricomi problem. Differencialʹnye uravneniâ, Tome 28 (1992) no. 12, pp. 2092-2101. http://geodesic.mathdoc.fr/item/DE_1992_28_12_a10/