Sadybekov M. In memory of the talented mathematician, our comrade and friend Krasnov Yakov Alexandrovich (1951–2023). M [Internet]. 2023 Jun. 30 [cited 2025 Oct. 14];110(2):179-81. Available from: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/597