%0 Journal Article %A M. V. Kozlov %T On asymptotics of the probability of nonextinction for a critical branching process in random environment %J Teoriâ veroâtnostej i ee primeneniâ %D 1976 %P 813-825 %V 21 %N 4 %U http://geodesic.mathdoc.fr/item/TVP_1976_21_4_a9/ %G ru %F TVP_1976_21_4_a9