TY - JOUR AU - A. M. Kovalev AU - V. A. Kozlovskii AU - V. F. Shcherbak TI - Inverse dynamical systems with variable dimension of phase space in problems of cryptographic information transformation JO - Prikladnaâ diskretnaâ matematika PY - 2008 SP - 39 EP - 44 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2008_2_a8/ LA - ru ID - PDM_2008_2_a8 ER -