TY - JOUR AU - G. K. Lebed' TI - Trigonometric series with coefficients satisfying certain conditions JO - Sbornik. Mathematics PY - 1967 SP - 91 EP - 108 VL - 3 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1967_3_1_a6/ LA - en ID - SM_1967_3_1_a6 ER -