BENHARRAT, M. .; MESSIRDI, B. . Relationship Between the Goldberg Spectrum and the B-Fredholm Spectra. Sarajevo Journal of Mathematics, [S. l.], v. 13, n. 1, p. 81–91, 2017. DOI: 10.5644/SJM.13.1.06. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/105. Acesso em: 16 oct. 2024.