Jaśkowiec, Jan. “The Discontinuous Galerkin Method With Higher Degree Finite Difference Compatibility Conditions and Arbitrary Local and Global Basis Functions”. Computer Assisted Methods in Engineering and Science 23, no. 2-3 (July 21, 2017): 109–132. Accessed June 6, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/167.