%0 Journal Article %A B. D. Boyanov %T Best methods of interpolation for certain classes of differentiable functions %J Matematičeskie zametki %D 1975 %P 511-524 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1975_17_4_a2/ %G ru %F MZM_1975_17_4_a2