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@article{DE_1981_17_1_a3, author = {A. Yu. Berezin}, title = {On the oblique derivative problem}, journal = {Differencialʹnye uravneni\^a}, pages = {25--30}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a3/} }
A. Yu. Berezin. On the oblique derivative problem. Differencialʹnye uravneniâ, Tome 17 (1981) no. 1, pp. 25-30. http://geodesic.mathdoc.fr/item/DE_1981_17_1_a3/