ROMANIV, A. M. Elementary Reduction of Matrices over Right 2-Euclidean Rings. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 12, p. 1717 – 1721, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3879. Acesso em: 14 feb. 2026.