TY - JOUR AU - S. V. Vinnichenko AU - V. V. Mazalov TI - Optimal stopping of observations in problems of the control of random walks JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1990 SP - 669 EP - 676 VL - 35 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1990_35_4_a3/ LA - ru ID - TVP_1990_35_4_a3 ER -