%0 Journal Article %A N. V. Krylov %T On the rate of convergence of finite-difference %J Algebra i analiz %D 1997 %P 245-256 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1997_9_3_a9/ %G en %F AA_1997_9_3_a9