@article{10_4064_am_27_3_343_367,
     author = {Oscar Vega-Amaya and Fernando Luque-V\'asquez},
     title = {Sample-path average cost optimality for {semi-Markov} control processes on {Borel} spaces: unbounded costs and mean holding times},
     journal = {Applicationes Mathematicae},
     pages = {343--367},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {2000},
     doi = {10.4064/am-27-3-343-367},
     zbl = {1050.90030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-27-3-343-367/}
}