%0 Journal Article
%A A. M. Kukartsev
%A A. M. Popov
%A V. S. Shestakov
%T About the direct operational analysis of symmetric ciphers
%J Prikladnaâ diskretnaâ matematika
%D 2008
%P 45-49
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDM_2008_2_a9/
%G ru
%F PDM_2008_2_a9