@article{DAN_1965_164_2_a11,
     author = {R. G. Bukharaev},
     title = {Criteria for representability of events in finite probabilistic automata},
     journal = {Doklady Akademii Nauk},
     pages = {289--291},
     publisher = {mathdoc},
     volume = {164},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_2_a11/}
}