M. SABIR, A.; أحمد. Joint Numerical Range of Matrix Polynomials. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 6, n. 2, p. 129–136, 2025. Disponível em: https://edusj.uomosul.edu.iq/index.php/csmj/article/view/36393. Acesso em: 10 sep. 2025.