%0 Journal Article %A V. È. Gheit %T Order of $(C,\alpha)$-approximations on certain classes of periodic functions %J Matematičeskie zametki %D 1974 %P 15-20 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a1/ %G ru %F MZM_1974_15_1_a1