TY - JOUR AU - V. P. Čistyakov TI - Asymptotic behaviour of the non-extinction probability for a~critical Branching process JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1971 SP - 638 EP - 648 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1971_16_4_a2/ LA - ru ID - TVP_1971_16_4_a2 ER -