KURSHAN, R. P.; ODLYZOKO, A. M. Values of cyclotomic polynomials at roots of unity. MATHEMATICA SCANDINAVICA, [S. l.], v. 49, p. 15–35, 1981. DOI: 10.7146/math.scand.a-11919. Disponível em: https://www.mscand.dk/article/view/11919. Acesso em: 28 apr. 2024.