Ramazanov, M. (2023) “70th anniversary of Doctor of Physical and Mathematical Sciences, Professor Baltabek Kanguzhin”, Bulletin of the Karaganda University. Mathematics Series, 112(4), pp. 194–195. Available at: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/617 (Accessed: 14 October 2025).