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@article{DE_1984_20_4_a18, author = {M. R. Khan}, title = {A nonlocal problem for the {Lavrent'ev--Bitsadze} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {710--711}, publisher = {mathdoc}, volume = {20}, number = {4}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_4_a18/} }
M. R. Khan. A nonlocal problem for the Lavrent'ev--Bitsadze equation. Differencialʹnye uravneniâ, Tome 20 (1984) no. 4, pp. 710-711. http://geodesic.mathdoc.fr/item/DE_1984_20_4_a18/