TY - JOUR AU - V. M. Tikhomirov TI - Harmonics and splines as optimal tools for approximation and recovery JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1995 SP - 355 EP - 402 VL - 50 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1995_50_2_a6/ LA - en ID - RM_1995_50_2_a6 ER -