SCHMIDT, A. L. Farey Simplices in the Space of Quaternions. MATHEMATICA SCANDINAVICA, [S. l.], v. 24, p. 31–65, 1969. DOI: 10.7146/math.scand.a-10919. Disponível em: https://www.mscand.dk/article/view/10919. Acesso em: 29 apr. 2024.