DARAWAN ZRAR MOHAMMED; AHMED MUHAMMAD. Generalization of numerical range of polynomial operator matrices. Tikrit Journal of Pure Science, [S. l.], v. 28, n. 1, p. 75–81, 2023. DOI: 10.25130/tjps.v28i1.1268. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/1268. Acesso em: 26 apr. 2024.