SENASHOV, V.I.; PARASCHUK, I.A. On recognizing groups by the bottom layer. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 107, n. 3, p. 124–131, 2022. DOI: 10.31489/2022m3/124-131. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/538. Acesso em: 10 jul. 2025.