@article{SORT_2009_2009_1_a5,
     author = {Guglielmo d'Amico},
     title = {Nonparametric estimation of the expected accumulated reward for {semi-Markov} chains},
     journal = {Sort},
     pages = {159-170},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SORT_2009_2009_1_a5/}
}