@article{IVM_1997_10_a4,
     author = {M. M. Kats},
     title = {Criterion for linear ordering of a~partial automaton},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {37--43},
     year = {1997},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1997_10_a4/}
}