%0 Journal Article %A N. V. Medvedeva %A S. S. Titov %T Analogues of the Shannon theorem for non-minimal endomorphic perfect ciphers %J Prikladnaya Diskretnaya Matematika. Supplement %D 2016 %P 62-65 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2016_9_a24/ %G ru %F PDMA_2016_9_a24