DAMGÅRD, Ivan B.; FRANDSEN, Gudmund Skovbjerg. Efficient Algorithms for gcd and Cubic Residuosity in the Ring of Eisenstein Integers. BRICS Report Series, [S. l.], v. 10, n. 8, 2003. DOI: 10.7146/brics.v10i8.21779. Disponível em: https://tidsskrift.dk/brics/article/view/21779. Acesso em: 5 dec. 2025.