TY - JOUR AU - N. M. Yanev AU - K. V. Mitov TI - The life-periods of critical branching processes with random migration JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1983 SP - 458 EP - 467 VL - 28 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1983_28_3_a1/ LA - ru ID - TVP_1983_28_3_a1 ER -