Slyusarchuk, V. Y. (2015) “A Criterion for the Existence of Almost Periodic Solutions of Nonlinear Differential Equations with Impulsive Perturbation”, Ukrains’kyi Matematychnyi Zhurnal, 67(6), pp. 838–848. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2026 (Accessed: 25April2024).