%0 Journal Article %A V. M. Tikhomirov %T Harmonics and splines as optimal tools for approximation and recovery %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 355-402 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1995_50_2_a6/ %G en %F RM_1995_50_2_a6