@article{MVK_2015_6_3_a6,
     author = {V. G. Mikhailov and A. M. Shoitov},
     title = {On multiple repetitions of long tuples in {a~Markov} chain},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {117--133},
     year = {2015},
     volume = {6},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2015_6_3_a6/}
}