%0 Journal Article %A V. L. Velikin %T Optimal interpolation of differentiable periodic functions with bounded higher derivative %J Matematičeskie zametki %D 1977 %P 663-670 %V 22 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1977_22_5_a6/ %G ru %F MZM_1977_22_5_a6