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@article{DE_1973_9_1_a10, author = {S. K. Kumykova}, title = {Certain boundary value problems with a shift for the {Lavrent'ev--Bicadze} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {106--114}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a10/} }
S. K. Kumykova. Certain boundary value problems with a shift for the Lavrent'ev--Bicadze equation. Differencialʹnye uravneniâ, Tome 9 (1973) no. 1, pp. 106-114. http://geodesic.mathdoc.fr/item/DE_1973_9_1_a10/