@article{AIHPB_2004__40_3_367_0,
     author = {Collins, Beno{\^\i}t},
     title = {Martin boundary theory of some quantum random walks},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {367--384},
     publisher = {Elsevier},
     volume = {40},
     number = {3},
     year = {2004},
     doi = {10.1016/j.anihpb.2003.10.004},
     mrnumber = {2060458},
     zbl = {1051.31005},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpb.2003.10.004/}
}