%0 Journal Article %A V. A. Baskakov %A S. A. Telyakovskii %T Approximation of differentiable functions by Fej\'er sums %J Matematičeskie zametki %D 1982 %P 129-140 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1982_32_2_a0/ %G ru %F MZM_1982_32_2_a0