%0 Journal Article %A V. A. Vitkup %T On the representation of S-boxes in block ciphers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2013 %P 30-32 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2013_6_a14/ %G ru %F PDMA_2013_6_a14