@article{MZM_1989_46_2_a12,
     author = {A. M. Stepin and A. T. Tagi-zade},
     title = {Combinatorial interpretations of the entropy of symbolic systems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {114--121},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_2_a12/}
}