%0 Journal Article %A A. Yu. Popov %A A. P. Solodov %T Optimal Two-Sided Estimates on the Interval $[\pi/2,\pi]$ of the Sum of the Sine Series with Convex Coefficient Sequence %J Matematičeskie zametki %D 2022 %P 317-320 %V 112 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2022_112_2_a16/ %G ru %F MZM_2022_112_2_a16