Finite Dimensional Approximation of Branches of Solutions of Nonlinear Problems near a Cusp Point. Journal of Computational Mathematics, [S. l.], v. 7, n. 3, p. 279–300, 1989. Disponível em: https://global-sci.com/index.php/JCM/article/view/10955. Acesso em: 6 dec. 2025.