Convergence Analysis on SS-HOPM for BEC-Like Nonlinear Eigenvalue Problems. Journal of Computational Mathematics, [S. l.], v. 39, n. 4, p. 621–632, 2021. DOI: 10.4208/jcm.2005-m2019-0298. Disponível em: https://global-sci.com/index.php/JCM/article/view/12473. Acesso em: 26 feb. 2026.