ASSANOVA, A.T.; UTESHOVA, R. Dulat Syzdykbekovich Dzhumabaev. Life and scientific activity (dedicated to the 70th birthday anniversary). Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 114, n. 2, p. 221–243, 2024. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/753. Acesso em: 25 aug. 2025.