TY - JOUR AU - B. A. Pogorelov AU - M. A. Pudovkina TI - Properties of permutation representations of nonabelian $2$-groups with a cyclic subgroup of index~$2$ JO - Matematičeskie voprosy kriptografii PY - 2021 SP - 65 EP - 85 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MVK_2021_12_a4/ LA - ru ID - MVK_2021_12_a4 ER -