Exact Solution for Nonlinear Oscillators with Coordinate-Dependent Mass. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 2, p. 496–510, 2022. DOI: 10.29020/nybg.ejpam.v15i2.4306. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4306. Acesso em: 1 nov. 2024.