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@article{DAN_1961_136_2_a0, author = {S. Ya. Al'per}, title = {Approximation of analytic functions in the mean over a region}, journal = {Doklady Akademii Nauk}, pages = {265--268}, publisher = {mathdoc}, volume = {136}, number = {2}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_2_a0/} }
S. Ya. Al'per. Approximation of analytic functions in the mean over a region. Doklady Akademii Nauk, Tome 136 (1961) no. 2, pp. 265-268. http://geodesic.mathdoc.fr/item/DAN_1961_136_2_a0/