SINGH, R. P.; REDDY, Y. N. A Fitted Second Order Special Finite Difference Method for Singularly Perturbed Differential- Difference Equations Exhibiting Dual Layers. Journal of Informatics and Mathematical Sciences, [S. l.], v. 12, n. 3, p. 223–232, 2020. DOI: 10.26713/jims.v12i3.1430. Disponível em: http://www.rgnpublications.com/journals/index.php/jims/article/view/1430. Acesso em: 2 may. 2024.