SHISHKIN, Grigorii. Grid approximation of singularly perturbed parabolic equations with moving boundary layers. Mathematical Modelling and Analysis, [S. l.], v. 13, n. 3, p. 421–442, 2008. DOI: 10.3846/1392-6292.2008.13.421-442. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/7028. Acesso em: 3 jul. 2025.