SCHNEPS, L. On Cyclic Field Extensions of Degree 8. MATHEMATICA SCANDINAVICA, [S. l.], v. 71, p. 24–30, 1992. DOI: 10.7146/math.scand.a-12408. Disponível em: https://www.mscand.dk/article/view/12408. Acesso em: 28 apr. 2024.