@article{IVM_1985_7_a9,
     author = {A. I. Pletnev},
     title = {Optimal behavior of automata with a~variable structure},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {59--62},
     publisher = {mathdoc},
     number = {7},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1985_7_a9/}
}