Fatma N. A. Mohamed, Mohamed H. Amsaad and Kh. W. Elkadeky (2026) “Carathéodory Solutions for a Nonlinear Coupled Two-Dimensional Implicit Differential System with Nonlocal Boundary Constraints”, African Journal of Advanced Pure and Applied Sciences , 5(4), pp. 161–170. Available at: https://aaasjournals.com/index.php/ajapas/article/view/2257 (Accessed: 2 November 2026).