Sartabanov, Z., Aitenova, G., & Abdikalikova, G. (2022). Multiperiodic Solutions of Quasilinear Systems of Integro-Differential Equations with Dc-Operator and ε-Period of Heredity. Eurasian Mathematical Journal, 13(1), 86–100. Retrieved from https://emj.enu.kz/index.php/main/article/view/251