TY - JOUR AU - A. A. Vasil'ev TI - Approximation with interpolation by splines of arbitrary deficiency JO - Matematičeskie zametki PY - 1981 SP - 743 EP - 748 VL - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a7/ LA - ru ID - MZM_1981_29_5_a7 ER -