@article{TVP_1965_10_3_a15,
     author = {P. F. Belyaev},
     title = {On the probability of the non-appearence of a~given number of $s$-tuples in compound {Markov} chains},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {547--551},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1965_10_3_a15/}
}