@article{IVM_1976_3_a2,
     author = {V. Yu. Ivshin},
     title = {A tape hierarchy in the class of homogeneous multi-tape autonomous machines with an input that operates in real time},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {18--22},
     publisher = {mathdoc},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1976_3_a2/}
}