%0 Journal Article %A A. A. Zhensykbaev %T Spline approximation and optimal recovery of operators %J Sbornik. Mathematics %D 1995 %P 393-409 %V 80 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1995_80_2_a6/ %G en %F SM_1995_80_2_a6