Approximation of differentiable functions by positive methods of summation of Fourier series
Matematičeskie zametki, Tome 34 (1983) no. 4, pp. 515-519
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@article{MZM_1983_34_4_a3,
author = {V. A. Levin},
title = {Approximation of differentiable functions by positive methods of summation of {Fourier} series},
journal = {Matemati\v{c}eskie zametki},
pages = {515--519},
year = {1983},
volume = {34},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a3/}
}
V. A. Levin. Approximation of differentiable functions by positive methods of summation of Fourier series. Matematičeskie zametki, Tome 34 (1983) no. 4, pp. 515-519. http://geodesic.mathdoc.fr/item/MZM_1983_34_4_a3/