SHISHKIN, Grigorii. Grid approximation of singularly perturbed parabolic reaction‐diffusion equations with piecewise smooth initial‐boundary conditions. Mathematical Modelling and Analysis, [S. l.], v. 12, n. 2, p. 235–254, 2007. DOI: 10.3846/1392-6292.2007.12.235-254. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/7125. Acesso em: 9 may. 2025.