@article{ZVMMF_1964_4_4_a6,
     author = {V. P. Zarovnyi},
     title = {Representation of machines by semigroup theoretical formations (m-semigroups)},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {716--731},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1964_4_4_a6/}
}