TY - JOUR AU - S. I. Novikov TI - Approximation of a class of differentiable functions by $\mathscr{L}$-splines JO - Matematičeskie zametki PY - 1983 SP - 393 EP - 408 VL - 33 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1983_33_3_a6/ LA - ru ID - MZM_1983_33_3_a6 ER -