“Robustness of an Upwind Finite Difference Scheme for Semilinear Convection-Diffusion Problems with Boundary Turning Points” (2003) Journal of Computational Mathematics, 21(4), pp. 401–410. Available at: https://www.global-sci.com/index.php/JCM/article/view/11566 (Accessed: 5 December 2025).