Shadowing Homoclinic Chains to a Symplectic Critical Manifold. Analysis in Theory and Applications, [S. l.], v. 37, n. 1, p. 1–23, 2022. DOI: 10.4208/ata.2021.pr80.11. Disponível em: https://global-sci.com/index.php/ata/article/view/8211. Acesso em: 6 dec. 2025.