Approaches to ensuring information security. Mathematical Machines and Systems, [S. l.], n. 4, p. 26–32, 2023. DOI: 10.34121/1028-9763-2023-4-26-32. Disponível em: https://j-mms.de/index.php/mms/article/view/2023-4-a3. Acesso em: 27 aug. 2026.