%0 Journal Article %A Ph. A. Karova %T Stability and convergence %J News of the Kabardin-Balkar scientific center of RAS %D 2015 %P 33-40 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_2015_3_a3/ %G ru %F IZKAB_2015_3_a3