TY - JOUR AU - B. A. Sevast'yanov TI - An Ergodic Theorem for Markov Processes and Its Application to Telephone Systems with Refusals JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1957 SP - 106 EP - 116 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1957_2_1_a4/ LA - ru ID - TVP_1957_2_1_a4 ER -