Kassymetova, M. (2026) “Professor Yeshkeyev’s Life in Science and Logic: Celebrating the Scholar’s 70th Anniversary”, Bulletin of the Karaganda University. Mathematics Series, 2(122), pp. 192–193. Available at: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1291 (Accessed: 7 July 2026).