%0 Journal Article %A E. D. Alferova %A A. Yu. Popov %T Extremal positivity problem for integrals of sine series with monotone coefficients %J Matematičeskie zametki %D 2024 %P 316-320 %V 116 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2024_116_2_a11/ %G ru %F MZM_2024_116_2_a11