SCHMIDT, Palle; SPITZER, Frank. The Toeplitz Matrices of an Arbitrary Laurent Polynomial. MATHEMATICA SCANDINAVICA, [S. l.], v. 8, p. 15–38, 1960. DOI: 10.7146/math.scand.a-10588. Disponível em: https://www.mscand.dk/article/view/10588. Acesso em: 5 dec. 2025.