MINDEEL. M. AL-ABRAHEMEE, Khalid. Solving Singular Perturbed Boundary Value Problems By using Semi-Analytic Method. Journal of Al-Qadisiyah for Computer Science and Mathematics, [S. l.], v. 8, n. 1, p. 67–77, 2017. Disponível em: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/45. Acesso em: 15 nov. 2024.