%0 Journal Article %A Mandl, Petr %T The Kiefer-Wolfowitz approximation method in controlled Markov chains %J Kybernetika %D 1971 %P -440 %V 07 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1971__7_6_a1/ %G en %F KYB_1971__7_6_a1