Remarks on breaking the Vigenere autokey cipher

GROŠEK, Otokar - ANTAL, Eugen - FABŠIČ, Tomáš. Remarks on breaking the Vigenere autokey cipher. In Cryptologia. Vol. 43, Iss. 6 (2019), s. 486-496. ISSN 0161-1194 (0.432 - 2019). E*140/UIM/2019