KAM Theory for Partial Differential Equations. Analysis in Theory and Applications, [S. l.], v. 35, n. 3, p. 235–267, 2019. DOI: 10.4208/ata.OA-0013. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8170. Acesso em: 5 dec. 2025.