%0 Journal Article %A V. I. Afanasyev %T On a conditional invariance principle for a critical Galton--Watson branching process %J Diskretnaya Matematika %D 2005 %P 35-49 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2005_17_1_a3/ %G ru %F DM_2005_17_1_a3