@article{MZM_1972_11_1_a8,
     author = {V. A. Orlov},
     title = {Singularities of {Shannon} functions in the case of automation bases},
     journal = {Matemati\v{c}eskie zametki},
     pages = {73--82},
     year = {1972},
     volume = {11},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1972_11_1_a8/}
}