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@article{DE_1981_17_10_a1, author = {Sh. A. Alimov}, title = {On a problem with an oblique derivative}, journal = {Differencialʹnye uravneni\^a}, pages = {1738--1751}, publisher = {mathdoc}, volume = {17}, number = {10}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_10_a1/} }
Sh. A. Alimov. On a problem with an oblique derivative. Differencialʹnye uravneniâ, Tome 17 (1981) no. 10, pp. 1738-1751. http://geodesic.mathdoc.fr/item/DE_1981_17_10_a1/