The First Integrals and Related Properties of a Class of Quintic Systems with a Uniform Isochronous Center. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 4, n. 3, p. 488–501, 2024. DOI: 10.12150/jnma.2022.488. Disponível em: https://global-sci.com/index.php/jnma/article/view/13652. Acesso em: 6 dec. 2025.