Sartabanov Z, Aitenova G, Abdikalikova G. Multiperiodic Solutions of Quasilinear Systems of Integro-Differential Equations with Dc-Operator and ε-Period of Heredity. EMJ [Internet]. 2022 Jan. 1 [cited 2024 Oct. 5];13(1):86-100. Available from: https://emj.enu.kz/index.php/main/article/view/251