@article{DM_2002_14_2_a5,
     author = {A. V. Babash},
     title = {On the periodicity of the sequence of states of an automaton corresponding to the initial state and the input periodic sequence},
     journal = {Diskretnaya Matematika},
     pages = {54--64},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2002_14_2_a5/}
}