%0 Journal Article %A A. G. Babenko %A N. V. Dolmatova %A Yu. V. Kryakin %T Jackson's exact inequality with a special module of continuity %J Trudy Instituta matematiki i mehaniki %D 2012 %P 51-67 %V 18 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a4/ %G ru %F TIMM_2012_18_4_a4