TORCHINSKY, A. Bessel functions and the wave equation. Selecciones Matemáticas, [S. l.], v. 6, n. 01, p. 31-34, 2019. DOI: 10.17268/sel.mat.2019.01.05. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/2441. Acesso em: 2 may. 2024.