БАБЕНКО, В. Г.; МЕЛЬНИК, О. Г.; МЕЛЬНИК, Р. П. Сlassification of three-digit elementary functions for cryptographic transformation of the information. Ukrainian Scientific Journal of Information Security, [S. l.], v. 19, n. 1, p. 56–59, 2013. DOI: 10.18372/2225-5036.19.4705. Disponível em: https://jrnl.nau.edu.ua/index.php/Infosecurity/article/view/4705. Acesso em: 10 feb. 2026.