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@article{DE_1985_21_1_a7, author = {M. M. Zainulabidov}, title = {The two-dimensional {Tricomi} problem when the domain of parabolicity is two-dimensional}, journal = {Differencialʹnye uravneni\^a}, pages = {51--58}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_1_a7/} }
M. M. Zainulabidov. The two-dimensional Tricomi problem when the domain of parabolicity is two-dimensional. Differencialʹnye uravneniâ, Tome 21 (1985) no. 1, pp. 51-58. http://geodesic.mathdoc.fr/item/DE_1985_21_1_a7/