%0 Journal Article %A O. V. Denisov %T Criteria for Markov block ciphers %J Prikladnaâ diskretnaâ matematika %D 2018 %P 28-37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2018_3_a2/ %G ru %F PDM_2018_3_a2