Pseudopolarity of Generalized Matrix Rings over a Local Ring. Communications in Mathematical Research, [S. l.], v. 31, n. 3, p. 211–221, 2021. DOI: 10.13447/j.1674-5647.2015.03.03. Disponível em: https://www.global-sci.com/index.php/cmr/article/view/8852. Acesso em: 6 dec. 2025.