%0 Journal Article %A A. V. Nagaev %T On the Estimator for the Mean Value of the Direct Descendants of a~Particle in Branching Process %J Teoriâ veroâtnostej i ee primeneniâ %D 1967 %P 363-369 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1967_12_2_a13/ %G ru %F TVP_1967_12_2_a13