%0 Journal Article %A I. S. Badalbaev %A I. Rahimov %T Critical branching processes with immigration of decreasing intensity %J Teoriâ veroâtnostej i ee primeneniâ %D 1978 %P 275-283 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1978_23_2_a2/ %G ru %F TVP_1978_23_2_a2