@article{10_4064_am_26_3_315_331,
     author = {Fernando Luque-V\'asquez and On\'esimo Hern\'andez-Lerma},
     title = {Semi-Markov control models with average costs},
     journal = {Applicationes Mathematicae},
     pages = {315--331},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1999},
     doi = {10.4064/am-26-3-315-331},
     zbl = {1050.90566},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-26-3-315-331/}
}