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@article{DAN_1993_333_1_a4, author = {A. P. Soldatov}, title = {Dirichlet-type problems for the {Lavrent'ev--Bitsadze} equation. {II.~Existence} theorems}, journal = {Doklady Akademii Nauk}, pages = {16--18}, publisher = {mathdoc}, volume = {333}, number = {1}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a4/} }
A. P. Soldatov. Dirichlet-type problems for the Lavrent'ev--Bitsadze equation. II.~Existence theorems. Doklady Akademii Nauk, Tome 333 (1993) no. 1, pp. 16-18. http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a4/