SHISHKINA, Lidia P.; SHISHKIN, Grigory I. Robust difference scheme for the Cauchy problem for a singularly perturbed ordinary differential equation. Mathematical Modelling and Analysis, [S. l.], v. 23, n. 4, p. 527–537, 2018. DOI: 10.3846/mma.2018.031. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/2432. Acesso em: 2 jun. 2025.