COSTA, B. Spectral Methods for Partial Differential Equations. CUBO, A Mathematical Journal, [S. l.], v. 6, n. 4, p. 1–32, 2004. Disponível em: https://www.perspectivasdelacomunicacion.cl/ojs/index.php/cubo/article/view/1552. Acesso em: 18 may. 2024.