PROKIP, V. M. Polynomial matrices over a factorial domain and their factorization with given characteristic polynomials. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 10, p. 1438–1440, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4831. Acesso em: 5 dec. 2025.