SCHMIDT, Palle; SPITZER, Frank. The Toeplitz Matrices of an Arbitrary Laurent Polynomial. Mathematica Scandinavica, Berkeley, CA, United States, v. 8, p. 15–38, 1960. DOI: 10.7146/math.scand.a-10588. Disponível em: https://journals.msp.org/mscand/article/view/2754. Acesso em: 25 jul. 2026.