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@article{DAN_1966_171_4_a6, author = {N. A. Lebedev}, title = {Inverse theorems of uniform approximation}, journal = {Doklady Akademii Nauk}, pages = {788--790}, publisher = {mathdoc}, volume = {171}, number = {4}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_4_a6/} }
N. A. Lebedev. Inverse theorems of uniform approximation. Doklady Akademii Nauk, Tome 171 (1966) no. 4, pp. 788-790. http://geodesic.mathdoc.fr/item/DAN_1966_171_4_a6/