@article{MZM_2022_112_2_a16, author = {A. Yu. Popov and A. P. Solodov}, title = {Optimal {Two-Sided} {Estimates} on the {Interval} $[\pi/2,\pi]$ of the {Sum} of the {Sine} {Series} with {Convex} {Coefficient} {Sequence}}, journal = {Matemati\v{c}eskie zametki}, pages = {317--320}, publisher = {mathdoc}, volume = {112}, number = {2}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2022_112_2_a16/} }