%0 Journal Article %A I. S. Rakhimov %T Critical branching processes with infinite variance and increasing immigration %J Matematičeskie zametki %D 1993 %P 97-107 %V 53 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1993_53_6_a10/ %G ru %F MZM_1993_53_6_a10