TY - JOUR AU - Mandl, Petr TI - The Kiefer-Wolfowitz approximation method in controlled Markov chains JO - Kybernetika PY - 1971 SP - 436 EP - 440 VL - 7 IS - 6 UR - http://geodesic.mathdoc.fr/item/KYB_1971_7_6_a1/ LA - en ID - KYB_1971_7_6_a1 ER -