Homoclinic Orbits of a Quadratic Isochronous System by the Perturbation-Incremental Method. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 3, n. 1, p. 115–130, 2024. DOI: 10.12150/jnma.2021.115. Disponível em: https://global-sci.com/index.php/jnma/article/view/13589. Acesso em: 6 dec. 2025.