@article{UZKU_1967_127_3_a8,
     author = {B. S. Kochkarev},
     title = {On the question of the stability of probabilistic automata},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {82--87},
     publisher = {mathdoc},
     volume = {127},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1967_127_3_a8/}
}