%0 Journal Article %A Mandl, Petr %A Romera Ayllón, M. Rosario %T On controlled Markov processes with average cost criterion %J Kybernetika %D 1987 %P 433-442 %V 23 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1987__23_6_a0/ %G en %F KYB_1987__23_6_a0