%0 Journal Article %A A. Yu. Popov %T Estimates of the Sums of Sine Series with Monotone Coefficients of Certain Classes %J Matematičeskie zametki %D 2003 %P 877-888 %V 74 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a7/ %G ru %F MZM_2003_74_6_a7