TY - JOUR AU - Arif S. Dzhafarov TI - Constructive description of generalized Besov classes on a JO - Doklady Akademii Nauk PY - 1985 SP - 542 EP - 546 VL - 285 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_285_3_a5/ LA - ru ID - DAN_1985_285_3_a5 ER -