TY - JOUR AU - N. P. Korneichuk TI - The approximation of functions and their derivatives by interpolatory splines JO - Doklady Akademii Nauk PY - 1982 SP - 1063 EP - 1066 VL - 264 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_5_a8/ LA - ru ID - DAN_1982_264_5_a8 ER -