TY - JOUR AU - S. N. Vasil'ev TI - Jackson inequality in $L_2(\mathbb T^N)$ with generalized modulus of continuity JO - Trudy Instituta matematiki i mehaniki PY - 2009 SP - 102 EP - 110 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a7/ LA - ru ID - TIMM_2009_15_1_a7 ER -