@article{MVK_2011_2_3_a1,
     author = {I. A. Kruglov},
     title = {On the homomorphisms of strongly connected finite automata into substitution automata},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {31--46},
     year = {2011},
     volume = {2},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2011_2_3_a1/}
}