@article{FPM_2009_15_4_a1,
     author = {D. N. Zhuk},
     title = {Cardinality of the set of all precomplete classes for definite automata},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {29--36},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2009_15_4_a1/}
}