%0 Journal Article %A M. A. Pudovkina %T Properties of Feistel's ciphers relative to two wreath products %J Prikladnaâ diskretnaâ matematika %D 2008 %P 58-61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2008_2_a11/ %G ru %F PDM_2008_2_a11