CASAS-ALVERO, E. Siebeck curves and two refinements of the. MATHEMATICA SCANDINAVICA, [S. l.], v. 111, n. 1, p. 12–41, 2012. DOI: 10.7146/math.scand.a-15211. Disponível em: https://www.mscand.dk/article/view/15211. Acesso em: 7 apr. 2025.