AMMAR, A. .; JERIBI, A.; MAHFOUDHI, K. Generalized trace pseudo-spectrum of matrix pencils. CUBO, A Mathematical Journal, [S. l.], v. 21, n. 2, p. 65–76, 2019. DOI: 10.4067/S0719-06462019000200065. Disponível em: https://www.perspectivasdelacomunicacion.cl/ojs/index.php/cubo/article/view/2159. Acesso em: 17 may. 2024.