TY - JOUR AU - N. V. Medvedeva AU - S. S. Titov TI - The criterion of minimum perfect ciphers with respect to inclusion JO - Prikladnaya Diskretnaya Matematika. Supplement PY - 2022 SP - 51 EP - 54 IS - 15 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDMA_2022_15_a12/ LA - ru ID - PDMA_2022_15_a12 ER -