TY - JOUR AU - A. S. Romanyuk TI - Approximation of Classes $B^r_{p,\theta}$ of Periodic Functions of One and Several Variables JO - Matematičeskie zametki PY - 2010 SP - 429 EP - 442 VL - 87 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2010_87_3_a10/ LA - ru ID - MZM_2010_87_3_a10 ER -