@article{JEMS_2006_8_1_a1,
     author = {Giacomo Aletti and Ely Merzbach},
     title = {Stopping {Markov} processes and first path on graphs},
     journal = {Journal of the European Mathematical Society},
     pages = {49--75},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2006},
     doi = {10.4171/jems/38},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/38/}
}