BENKACI-ALI, N. Existence and Uniqueness Results of Positive Solution of a Class of Singular Duffing Oscillators. Journal of the Indonesian Mathematical Society, [S. l.], v. 28, n. 1, p. 52–68, 2022. DOI: 10.22342/jims.28.1.1011.52-68. Disponível em: https://jims-a.org/index.php/jimsa/article/view/1011. Acesso em: 23 nov. 2024.