SOKAŁA, Małgorzata. Solution of 2D non-homogenous wave equation by using polywave functions. Computer Assisted Methods in Engineering and Science, [S. l.], v. 16, n. 3–4, p. 209–221, 2017. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/146. Acesso em: 12 jan. 2025.