1.
Butris RN, Rafeeq AS, Faris HS. Existence, Uniqueness and Stability of Periodic Solution for Nonlinear System of Integro-Differential Equations. SJUOZ [Internet]. 2017 Mar. 30 [cited 2024 Nov. 23];5(1):120-7. Available from: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/474