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@article{DAN_1975_223_1_a4, author = {T. G. Genchev}, title = {A generalization of {S.\,N.~Bernstein's} inequality for trigonometric polynomials}, journal = {Doklady Akademii Nauk}, pages = {23--26}, publisher = {mathdoc}, volume = {223}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_1_a4/} }
T. G. Genchev. A generalization of S.\,N.~Bernstein's inequality for trigonometric polynomials. Doklady Akademii Nauk, Tome 223 (1975) no. 1, pp. 23-26. http://geodesic.mathdoc.fr/item/DAN_1975_223_1_a4/