@article{KYB_1989__25_3_a0,
     author = {Cavazos-Cadena, Rolando},
     title = {Weak conditions for the existence of optimal stationary policies in average {Markov} decision chains with unbounded costs},
     journal = {Kybernetika},
     pages = {145--156},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1989},
     mrnumber = {1010178},
     zbl = {0673.90092},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1989__25_3_a0/}
}