TY - JOUR AU - V. A. Roman'kov AU - A. A. Obzor TI - A nonlinear decomposition method in analysis of some encryption schemes using group automorphisms JO - Prikladnaâ diskretnaâ matematika PY - 2018 SP - 38 EP - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2018_3_a3/ LA - ru ID - PDM_2018_3_a3 ER -