KHAN, Muhammad Ahsan. Block Toeplitz Matrices: Multiplicative Properties. MATEMATIKA, [S. l.], v. 39, n. 1, p. 101–112, 2023. DOI: 10.11113/matematika.v39.n1.1437. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/1437. Acesso em: 18 may. 2024.