@article{MVK_2017_8_1_a8,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {Partitions on bigrams and {Markov} property of block ciphers},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {107--142},
     year = {2017},
     volume = {8},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2017_8_1_a8/}
}