Existence of solutions for a fractional evolution pantograph problem with a non-dense domain in a Banach space. Nonlinear Studies, [S. l.], v. 33, n. 2, p. 635–651, 2026. Disponível em: https://nonlinearstudies.com/index.php/nonlinear/article/view/4072. Acesso em: 18 jun. 2026.