@article{KYB_1983_19_1_a4,
     author = {Warner, M. W.},
     title = {Pseudomorphisms of automata},
     journal = {Kybernetika},
     pages = {48--57},
     year = {1983},
     volume = {19},
     number = {1},
     mrnumber = {710916},
     zbl = {0533.68053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1983_19_1_a4/}
}