@article{VMUMM_1991_4_a23,
     author = {V. V. Makarov},
     title = {On element orders of an automaton permutation group},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {86--87},
     publisher = {mathdoc},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a23/}
}