TEAM, S. Some Conditions on Non-Normal Operators which Imply Normality: M.H.M. Rashid. Thai Journal of Mathematics, [S. l.], v. 8, n. 1, p. 185–192, 2010. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/190. Acesso em: 22 dec. 2024.