ZENKOV, A.V. Views and plexus m-group. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 84, n. 4, p. 63–69, 2016. DOI: 10.31489/2016m4/63-69. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/126. Acesso em: 23 aug. 2025.