@article{KYB_1993__29_1_a0,
     author = {Hern\'andez-Lerma, On\'esimo},
     title = {Existence of average optimal policies in {Markov} control processes with strictly unbounded costs},
     journal = {Kybernetika},
     pages = {1--17},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1993},
     mrnumber = {1227738},
     zbl = {0792.93120},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1993__29_1_a0/}
}