TY - JOUR AU - B. A. Pogorelov AU - M. A. Pudovkina TI - On nonabelian key addition groups and markovian block ciphers JO - Prikladnaya Diskretnaya Matematika. Supplement PY - 2018 SP - 79 EP - 81 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDMA_2018_11_a24/ LA - ru ID - PDMA_2018_11_a24 ER -