%0 Journal Article %A B. A. Pogorelov %A M. A. Pudovkina %T On nonabelian key addition groups and markovian block ciphers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2018 %P 79-81 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2018_11_a24/ %G ru %F PDMA_2018_11_a24