SARTABANOV, Z.; AITENOVA, G.; ABDIKALIKOVA, G. Multiperiodic Solutions of Quasilinear Systems of Integro-Differential Equations with Dc-Operator and ε-Period of Heredity. Eurasian Mathematical Journal, [S. l.], v. 13, n. 1, p. 86–100, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/251. Acesso em: 5 oct. 2024.