%0 Journal Article %A M. M. Lafisheva %A A. R. Bechelova %A N. I. Lafisheva %T On convergence of the difference schemes %J News of the Kabardin-Balkar scientific center of RAS %D 2008 %P 142-148 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_2008_6_a1/ %G ru %F IZKAB_2008_6_a1