BANI-DOMI, Watheq. SOME GENERAL NUMERICAL RADIUS INEQUALITIES FOR THE OFF-DIAGONAL PARTS OF 2 × 2 OPERATOR MATRICES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 35, p. 433–442, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6417. Acesso em: 16 aug. 2026.