ELZALOUK, K. Y. Stability of the Neutrosophic Spectrum and Fredholm Operators under Compact Perturbations . مجلة البحوث الأكاديمية, [S. l.], v. 30, n. 1, p. 107–114, 2026. Disponível em: https://lam-journal.ly/index.php/jar/article/view/1517. Acesso em: 15 2026.