AKHAZHANOV, S.B.; Karataуev G.K. The automated calculation of difficult frame designs. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 77, n. 1, p. 18–24, 2015. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/6. Acesso em: 26 aug. 2025.