%0 Journal Article %A A. M. Koreneva %T Block ciphers based on two feedback shift registers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2013 %P 39-41 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2013_6_a19/ %G ru %F PDMA_2013_6_a19