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@article{DE_1981_17_2_a14, author = {E. I. Moiseev}, title = {The {Tricomi} problem for the {Lavrent'ev--Bitsadze} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {325--338}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_2_a14/} }
E. I. Moiseev. The Tricomi problem for the Lavrent'ev--Bitsadze equation. Differencialʹnye uravneniâ, Tome 17 (1981) no. 2, pp. 325-338. http://geodesic.mathdoc.fr/item/DE_1981_17_2_a14/