TY - JOUR AU - A. A. Yushkevich TI - On a class of policies in general Markov decision models JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1973 SP - 815 EP - 817 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1973_18_4_a11/ LA - ru ID - TVP_1973_18_4_a11 ER -