@article{ADM_2003_4_a6,
     author = {I. I. Reznykov},
     title = {On 2-state {Mealy} automata of polynomial growth},
     journal = {Algebra and discrete mathematics},
     pages = {66--85},
     publisher = {mathdoc},
     number = {4},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2003_4_a6/}
}