Bugajev, Andrej, and Raimondas Čiegis. “Comparison of Adaptive Meshes for a Singularly Perturbed reaction–diffusion Problem”. Mathematical Modelling and Analysis 17, no. 5 (November 1, 2012): 732-748. Accessed November 25, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/4906.