KRUGLOV, V. E. Factorization of matrices of permutation type. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 11, p. 1473–1478, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5586. Acesso em: 11 apr. 2025.