%0 Journal Article %A S. N. Vasil'ev %T Jackson inequality in $L_2(\mathbb T^N)$ with generalized modulus of continuity %J Trudy Instituta matematiki i mehaniki %D 2009 %P 102-110 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a7/ %G ru %F TIMM_2009_15_1_a7