On The Normality Set of Linear Operators. Baghdad Science Journal, Iraq, Baghdad, v. 17, n. 3, p. 0878, 2020. DOI: 10.21123/bsj.2020.17.3.0878. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3617.. Acesso em: 27 nov. 2024.