Orumbayeva, N. (2024) “75th anniversary of Doctor of Physical and Mathematical Sciences, Professor M.I. Ramazanov”, Bulletin of the Karaganda University. Mathematics Series, 1(113), pp. 219–220. Available at: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/698 (Accessed: 13 March 2026).