Explicit Bounds of Eigenvalues for Stiffness Matrices by Quadratic Hierarchical Basis Method. Journal of Computational Mathematics, [S. l.], v. 21, n. 2, p. 113–124, 2003. Disponível em: https://gsp.tricubic.dev/JCM/article/view/11536. Acesso em: 14 mar. 2026.