Maciąg, Artur, and Jörg Wauer. “Wave Polynomials for Solving Different Types of Two-Dimensional Wave Equations”. Computer Assisted Methods in Engineering and Science 12, no. 4 (November 21, 2022): 363–378. Accessed January 12, 2025. https://cames3.ippt.pan.pl/index.php/cames/article/view/972.