A Spectral Method for Pantograph-Type Delay Differential Equations and Its Convergence Analysis. Journal of Computational Mathematics, [S. l.], v. 27, n. 2-3, p. 254–265, 2018. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11934. Acesso em: 5 dec. 2025.