@article{KYB_1977_13_5_a4,
     author = {P\'atek, Bohumil},
     title = {On the identification of a subclass of finite state channels and their capacity},
     journal = {Kybernetika},
     pages = {354--364},
     year = {1977},
     volume = {13},
     number = {5},
     mrnumber = {0462773},
     zbl = {0402.94026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1977_13_5_a4/}
}