Shishkina, Lidia, and Grigorii Shishkin. “Conservative Numerical Method for a System of Semilinear Singularly Perturbed Parabolic reaction‐diffusion Equations”. Mathematical Modelling and Analysis 14, no. 2 (June 30, 2009): 211-228. Accessed December 22, 2024. https://jeelm.vgtu.lt/index.php/MMA/article/view/6541.