1.
Guerfi A, Ardjouni A. Existence of solutions for nonlinear integro-dynamic equations with mixed perturbations of the second type via Krasnoselskii’s fixed point theorem. MFAT. 2022;28(1):58-65. Accessed December 13, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/819