Aitenova G, Sartabanov Z, Abdikalikova G, Kerimbekov A. Bounded and multiperiodic solutions of the system of partial integro-differential equations. M [Internet]. 2019 Sep. 30 [cited 2025 Oct. 14];95(3):8-18. Available from: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/250