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@article{DAN_1962_146_3_a8, author = {S. M. Nikol'skii}, title = {Boundary properties of differentiable functions of several variables}, journal = {Doklady Akademii Nauk}, pages = {542--545}, publisher = {mathdoc}, volume = {146}, number = {3}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_3_a8/} }
S. M. Nikol'skii. Boundary properties of differentiable functions of several variables. Doklady Akademii Nauk, Tome 146 (1962) no. 3, pp. 542-545. http://geodesic.mathdoc.fr/item/DAN_1962_146_3_a8/