%0 Journal Article %A P. I. Sizhuk %A V. V. Chernikov %T Coefficients of $\alpha$-convex functions of order $\beta$ %J Matematičeskie zametki %D 1978 %P 679-686 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a9/ %G ru %F MZM_1978_24_5_a9