MARKHABATOV, N.D. Approximations of Theories of Unars. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 119, n. 3, p. 176–183, 2025. DOI: 10.31489/2025m3/176-183. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/919. Acesso em: 5 oct. 2025.