OSYPOVA, O.V.; PERTSOV, A.S.; CHEREVKO, I.M. Decomposition and stability of linear singularly perturbed systems with two small parameters. Carpathian Mathematical Publications, [S. l.], v. 13, n. 1, p. 15–21, 2021. DOI: 10.15330/cmp.13.1.15-21. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/4124. Acesso em: 7 may. 2024.