%0 Journal Article %A I. N. Pak %T Properties of the sums of certain sine and cosine series %J Doklady Akademii Nauk %D 1965 %P 827-829 %V 163 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a10/ %G ru %F DAN_1965_163_4_a10