TRAN, Max. FINITE ELEMENT SPECTRAL APPROXIMATION WITH NUMERICAL INGEGRATION FOR THE BIHARMONIC EIGENVALUE PROBLEM. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 2, n. 3, p. 102–142, 2014. Disponível em: https://jgrma.com/index.php/jgrma/article/view/170. Acesso em: 30 apr. 2025.