%0 Journal Article %T Fourth All-Union Seminar on Stability Problems in Stochastic Models %J Teoriâ veroâtnostej i ee primeneniâ %D 1980 %P 416-433 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1980_25_2_a20/ %G ru %F TVP_1980_25_2_a20