%0 Journal Article %A A. L. Fuksman %T Structural characteristic of functions such that $E^n(f;-1,1)\leqslant Mn^{-(k+\alpha)}$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1965 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1965_20_4_a18/ %G ru %F RM_1965_20_4_a18