Vector Fields with Non-Isolated Singular Points Viewed from the Inside and Outside. Advances in Systems Science and Applications, [S. l.], v. 2025, n. 2, p. 92–104, 2025. DOI: 10.25728/assa.2025.2025.2.2051. Disponível em: https://ijassa.ipu.ru/index.php/ijassa/article/view/2051. Acesso em: 29 oct. 2025.