BERIVAN FARIS AZEEZ; AHMED MUHAMMAD. Some results on S-numerical range of operator matrices. Zanco Journal of Pure and Applied Sciences, [S. l.], v. 32, n. 3, p. 57–63, 2020. DOI: 10.21271/ZJPAS.32.3.7. Disponível em: https://zancojournal.su.edu.krd/index.php/JPAS/article/view/2231. Acesso em: 8 jan. 2025.