%0 Journal Article %A L. V. Taikov %T Inequalities containing best approximations and the modulus of continuity of functions in $L_2$ %J Matematičeskie zametki %D 1976 %P 433-438 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_20_3_a15/ %G ru %F MZM_1976_20_3_a15