%0 Journal Article %A A. Yu. Popov %A A. P. Solodov %T Extension of the lower Telyakovskii estimate for the sum of a sine-series with convex coefficient sequence to a longer segment %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2024 %P 26-32 %N 4 %U http://geodesic.mathdoc.fr/item/VMUMM_2024_4_a3/ %G ru %F VMUMM_2024_4_a3