@article{DAN_1963_151_4_a15,
     author = {N. A. Gorbovitskaya},
     title = {Equivalent transformations of various types of automata},
     journal = {Doklady Akademii Nauk},
     pages = {799--802},
     publisher = {mathdoc},
     volume = {151},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_4_a15/}
}