REICH, E. On Non-Hermitian Toeplitz Matrices. MATHEMATICA SCANDINAVICA, [S. l.], v. 10, p. 145–152, 1962. DOI: 10.7146/math.scand.a-10521. Disponível em: https://www.mscand.dk/article/view/10521. Acesso em: 3 may. 2024.