ARTYKOVA, Z.; RAKHMONOV, F.; FAYZIYEV, A. Periodic Solutions of a System of Nonlinear Integro-Differential Equations with a Product of Two Nonlinear Functions and Maxima. Journal of Osh State University. Differential Equations, [S. l.], n. 2, p. 11–24, 2026. Disponível em: https://journal.oshsu.kg/index.php/diffeq/article/view/4820. Acesso em: 15 сен. 2026.