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@article{DAN_1957_112_3_a4, author = {B. V. Shabat}, title = {Examples of solving the {Dirichlet} problem for equations of mixed type}, journal = {Doklady Akademii Nauk}, pages = {386--389}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_112_3_a4/} }
B. V. Shabat. Examples of solving the Dirichlet problem for equations of mixed type. Doklady Akademii Nauk, Tome 112 (1957) no. 3, pp. 386-389. http://geodesic.mathdoc.fr/item/DAN_1957_112_3_a4/