@article{MZM_2020_108_4_a0,
     author = {E. D. Alferova and A. Yu. Popov},
     title = {Two-Sided {Estimates} of the $L^\infty${-Norm} of the {Sum} of a {Sine} {Series} with {Monotone} {Coefficients~}$\{b_k\}$ via the $\ell^\infty${-Norm} of the {Sequence~}$\{kb_k\}$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {483--489},
     publisher = {mathdoc},
     volume = {108},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a0/}
}