NIKKHAH, A.; DAVVAZ, B. STRONGLY CLEAN ELEMENTS IN A CERTAIN BLOCK MATRIX RING. Journal of the Indonesian Mathematical Society, [S. l.], v. 22, n. 2, p. 151–156, 2017. DOI: 10.22342/jims.22.2.259.151-156. Disponível em: http://jims-a.org/index.php/jimsa/article/view/259. Acesso em: 3 may. 2024.