%0 Journal Article %A G. K. Lebed' %T Trigonometric series with coefficients satisfying certain conditions %J Sbornik. Mathematics %D 1967 %P 91-108 %V 3 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1967_3_1_a6/ %G en %F SM_1967_3_1_a6