nC-symmetric operators . Iraqi Journal of Science, [S. l.], v. 63, n. 7, p. 3098–3102, 2022. DOI: 10.24996/ijs.2022.63.7.30. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4803.. Acesso em: 21 nov. 2024.