%0 Journal Article %A N. A. Il'yasov %T Inequality between moduli of smoothness of different orders in different metrics %J Matematičeskie zametki %D 1991 %P 153-155 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a20/ %G ru %F MZM_1991_50_2_a20