%0 Journal Article %A B. A. Sevast'yanov %T Branching processes bounded below %J Doklady Akademii Nauk %D 1978 %P 811-813 %V 238 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_238_4_a11/ %G ru %F DAN_1978_238_4_a11