%0 Journal Article %A V. T. Shevaldin %T Approximation by local $L$-splines corresponding to a~linear differential operator of the second order %J Trudy Instituta matematiki i mehaniki %D 2006 %P 195-213 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2006_12_2_a16/ %G ru %F TIMM_2006_12_2_a16