%0 Journal Article %A N. P. Korneichuk %T The approximation of functions and their derivatives by interpolatory splines %J Doklady Akademii Nauk %D 1982 %P 1063-1066 %V 264 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_264_5_a8/ %G ru %F DAN_1982_264_5_a8