Improved Solutions of OHAM Approximate Procedure for Classes of Nonlinear ODEs. Contemporary Mathematics , [S. l.], v. 5, n. 3, p. 4115–4131, 2024. DOI: 10.37256/cm.5320245235. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/5235. Acesso em: 24 dec. 2025.