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@article{DE_1970_6_1_a21, author = {V. I. Pa\v{s}kovskii}, title = {A certain mixed problem for the {Tricomi} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {200--203}, publisher = {mathdoc}, volume = {6}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_1_a21/} }
V. I. Paškovskii. A certain mixed problem for the Tricomi equation. Differencialʹnye uravneniâ, Tome 6 (1970) no. 1, pp. 200-203. http://geodesic.mathdoc.fr/item/DE_1970_6_1_a21/