FRIEDLANDER, J. B. Small values of zeta-functions of quadratic fields. MATHEMATICA SCANDINAVICA, [S. l.], v. 42, p. 161–168, 1978. DOI: 10.7146/math.scand.a-11744. Disponível em: https://www.mscand.dk/article/view/11744. Acesso em: 6 may. 2024.