@article{DAN_1980_252_5_a2,
     author = {V. A. Buevich},
     title = {On $\tau$-completeness in the class of automata mappings},
     journal = {Doklady Akademii Nauk},
     pages = {1037--1041},
     publisher = {mathdoc},
     volume = {252},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_5_a2/}
}