PETRICHKOVICH , V. M. Parallel factorizations of polynomial matrices. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 9, p. 1228–1233, 2024. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8174. Acesso em: 5 dec. 2025.