PROKIP, V. M. To the problem of multiplicativity of canonical diagonal forms of matrices over the domain of principal ideals. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 11, p. 1581–1584, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5551. Acesso em: 7 apr. 2025.