A Family of Characteristic Discontinuous Galerkin Methods for Transient Advection-Diffusion Equations and Their Optimal-Order L2 Error Estimates. Commun. Comput. Phys. [Internet]. 2009 Jun. 1 [cited 2026 Mar. 4];6(1):203-30. Available from: https://global-sci.com/cicp/article/view/5647