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@article{DAN_1964_154_3_a11, author = {V. R. Portnov}, title = {A theorem on the density of finite functions in the space $L_{p,a}^{(m)}(E_n)$}, journal = {Doklady Akademii Nauk}, pages = {530--533}, publisher = {mathdoc}, volume = {154}, number = {3}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a11/} }
V. R. Portnov. A theorem on the density of finite functions in the space $L_{p,a}^{(m)}(E_n)$. Doklady Akademii Nauk, Tome 154 (1964) no. 3, pp. 530-533. http://geodesic.mathdoc.fr/item/DAN_1964_154_3_a11/