@article{AIHPA_1992__56_2_123_0,
     author = {Gudder, S. and Schindler, C.},
     title = {Quasi-discrete quantum {Markov} processes},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {123--142},
     publisher = {Gauthier-Villars},
     volume = {56},
     number = {2},
     year = {1992},
     mrnumber = {1155275},
     zbl = {0745.60005},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1992__56_2_123_0/}
}