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@article{MZM_1987_41_4_a8, author = {A. P. Petukhov}, title = {Estimates of the derivatives of trigonometric polynomials}, journal = {Matemati\v{c}eskie zametki}, pages = {517--520}, publisher = {mathdoc}, volume = {41}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a8/} }
A. P. Petukhov. Estimates of the derivatives of trigonometric polynomials. Matematičeskie zametki, Tome 41 (1987) no. 4, pp. 517-520. http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a8/