%0 Journal Article %A S. B. Stechkin %T On power series and trigonometric series with monotone coefficients %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1963 %V 18 %N 1 %U http://geodesic.mathdoc.fr/item/RM_1963_18_1_a11/ %G ru %F RM_1963_18_1_a11