TY - JOUR AU - V. V. Zhuk TI - Approximation of periodic functions bounded by a subadditive operator JO - Doklady Akademii Nauk PY - 1966 SP - 515 EP - 518 VL - 169 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_169_3_a5/ LA - ru ID - DAN_1966_169_3_a5 ER -