TY - JOUR AU - A. M. Zubkov TI - Life-Periods of a Branching Process with Immigration JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1972 SP - 179 EP - 188 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1972_17_1_a17/ LA - ru ID - TVP_1972_17_1_a17 ER -