%0 Journal Article %A I. N. Pak %T Properties of sums of certain trigonometric series %J Doklady Akademii Nauk %D 1963 %P 38-41 %V 151 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_1_a8/ %G ru %F DAN_1963_151_1_a8