Fractional Variational Approach for Dissipative Mechanical Systems. Analysis in Theory and Applications, [S. l.], v. 30, n. 3, p. 249–259, 2014. DOI: 10.4208/ata.2014.v30.n3.1. Disponível em: https://global-sci.com/index.php/ata/article/view/8022. Acesso em: 6 dec. 2025.