JENALIYEV, M.T. Doctor of Physical and Mathematical Sciences, Professor M.I. Ramazanov is 70 years old. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 93, n. 1, p. 162–163, 2019. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/369. Acesso em: 7 sep. 2025.