BREZINSKI, J. Arithmetical quadratic surfaces of genus 0, I. MATHEMATICA SCANDINAVICA, [S. l.], v. 46, p. 183–208, 1980. DOI: 10.7146/math.scand.a-11862. Disponível em: https://www.mscand.dk/article/view/11862. Acesso em: 3 may. 2024.