%0 Journal Article %A V. I. Afanasyev %T Invariance Principle for the Critical Branching Process in a Random Environment Attaining a High Level %J Teoriâ veroâtnostej i ee primeneniâ %D 2009 %P 3-17 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2009_54_1_a0/ %G ru %F TVP_2009_54_1_a0