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@article{DE_1967_3_1_a8, author = {A. I. Yanushauskas}, title = {Unconditional solvability of the oblique derivative problem}, journal = {Differencialʹnye uravneni\^a}, pages = {89--96}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1967_3_1_a8/} }
A. I. Yanushauskas. Unconditional solvability of the oblique derivative problem. Differencialʹnye uravneniâ, Tome 3 (1967) no. 1, pp. 89-96. http://geodesic.mathdoc.fr/item/DE_1967_3_1_a8/