Tran, Max. “FINITE ELEMENT SPECTRAL APPROXIMATION WITH NUMERICAL INGEGRATION FOR THE BIHARMONIC EIGENVALUE PROBLEM”. Journal of Global Research in Mathematical Archives(JGRMA) 2, no. 3 (October 26, 2014): 102–142. Accessed April 30, 2025. https://jgrma.com/index.php/jgrma/article/view/170.