STUDY OF THE THEORETICAL CORRESPONDENCE INDICES FOR THE UKRAINIAN ALPHABET WITH SPACES. Information systems and technologies security, [S. l.], v. 1, n. 7, p. 45–51, 2024. DOI: 10.17721/ISTS.2024.7.45-51. Disponível em: https://ists.knu.ua//article/view/2837. Acesso em: 16 feb. 2026.