BREZINSKI, J. Arithmetical quadratic surfaces of genus 0, I. Mathematica Scandinavica, Berkeley, CA, United States, v. 46, p. 183–208, 1980. DOI: 10.7146/math.scand.a-11862. Disponível em: https://journals.msp.org/mscand/article/view/1786. Acesso em: 25 jul. 2026.