@article{AIHPA_1980__33_1_63_0,
     author = {Guz, Wawrzyniec},
     title = {Conditional probability in quantum axiomatics},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {63--119},
     publisher = {Gauthier-Villars},
     volume = {33},
     number = {1},
     year = {1980},
     mrnumber = {593025},
     zbl = {0454.03032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1980__33_1_63_0/}
}