%0 Journal Article %A V. P. Tanana %A A. I. Sidikova %T On the Order Optimality of a~Method for Evaluating Unbounded Operators and Its Applications %J Sibirskij žurnal industrialʹnoj matematiki %D 2009 %P 130-140 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2009_12_3_a12/ %G ru %F SJIM_2009_12_3_a12