A Note on Richardson Extrapolation of Galerkin Methods for Eigenvalue Problems of Fredholm Integral Equations. Journal of Computational Mathematics, [S. l.], v. 26, n. 4, p. 598–612, 2018. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11900. Acesso em: 5 dec. 2025.