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@article{DE_1968_4_1_a8, author = {A. I. Yanushauskas}, title = {Some cases of overdetermination of a problem on the oblique derivative}, journal = {Differencialʹnye uravneni\^a}, pages = {102--109}, publisher = {mathdoc}, volume = {4}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_1_a8/} }
A. I. Yanushauskas. Some cases of overdetermination of a problem on the oblique derivative. Differencialʹnye uravneniâ, Tome 4 (1968) no. 1, pp. 102-109. http://geodesic.mathdoc.fr/item/DE_1968_4_1_a8/