%0 Journal Article %A V. A. Vatutin %A E. E. Dyakonova %T Population size of a critical branching process evolving in unfovarable environment %J Teoriâ veroâtnostej i ee primeneniâ %D 2023 %P 509-531 %V 68 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2023_68_3_a4/ %G ru %F TVP_2023_68_3_a4