%0 Journal Article %A A. M. Kovalev %A V. A. Kozlovskii %A V. F. Shcherbak %T Inverse dynamical systems with variable dimension of phase space in problems of cryptographic information transformation %J Prikladnaâ diskretnaâ matematika %D 2008 %P 39-44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2008_2_a8/ %G ru %F PDM_2008_2_a8