“An Implicit LU-SGS Scheme for the Spectral Volume Method on Unstructured Tetrahedral Grids”, Commun. Comput. Phys., vol. 6, no. 5, pp. 978–996, Jul. 2020, Accessed: Dec. 05, 2025. [Online]. Available: https://www.global-sci.com/index.php/cicp/article/view/5674