CIRULIS, T.; CIRULE, D.; LIETUVIETIS, O. Multistep degenerate matrix method for ordinary differential equations. Mathematical Modelling and Analysis, [S. l.], v. 6, n. 1, p. 58–67, 2001. DOI: 10.3846/13926292.2001.9637145. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9884. Acesso em: 2 jun. 2025.