“Efficient Implicit Non-Linear LU-SGS Approach for Compressible Flow Computation Using High-Order Spectral Difference Method”, Commun. Comput. Phys., vol. 5, no. 2-4, pp. 760–778, Apr. 2018, Accessed: Feb. 26, 2026. [Online]. Available: https://www.global-sci.com/index.php/cicp/article/view/5633