“Numerical Issues in the Implementation of High Order Polynomial Multi-Domain Penalty Spectral Galerkin Methods for Hyperbolic Conservation Laws”, Commun. Comput. Phys., vol. 5, no. 2-4, pp. 600–619, Apr. 2018, Accessed: Feb. 27, 2026. [Online]. Available: https://www.global-sci.com/index.php/cicp/article/view/5623