An approximation of $|\sin x|$ by rational Fourier series
Matematičeskie zametki, Tome 46 (1989) no. 4, pp. 52-59
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@article{MZM_1989_46_4_a7,
author = {E. A. Rovba},
title = {An approximation of $|\sin x|$ by rational {Fourier} series},
journal = {Matemati\v{c}eskie zametki},
pages = {52--59},
year = {1989},
volume = {46},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_4_a7/}
}
E. A. Rovba. An approximation of $|\sin x|$ by rational Fourier series. Matematičeskie zametki, Tome 46 (1989) no. 4, pp. 52-59. http://geodesic.mathdoc.fr/item/MZM_1989_46_4_a7/