%0 Journal Article %A Hernández-Lerma, Onésimo %T Existence of average optimal policies in Markov control processes with strictly unbounded costs %J Kybernetika %D 1993 %P 1-17 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1993__29_1_a0/ %G en %F KYB_1993__29_1_a0