TY - JOUR AU - E. B. Frid TI - On a~problem of D.~Blackwell from the theory of dynamic programming JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1970 SP - 740 EP - 745 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1970_15_4_a13/ LA - ru ID - TVP_1970_15_4_a13 ER -