TY - JOUR AU - V. A. Ivnitzkii TI - On a Condition of the Invariance of Stationary Probabilities of States for Networks of Sequential Queuing Systems JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1989 SP - 576 EP - 580 VL - 34 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1989_34_3_a13/ LA - ru ID - TVP_1989_34_3_a13 ER -