BRZEZINSKI, J. Arithmetical quadratic surfaces of genus 0, II. MATHEMATICA SCANDINAVICA, [S. l.], v. 54, p. 295–309, 1984. DOI: 10.7146/math.scand.a-12060. Disponível em: https://www.mscand.dk/article/view/12060. Acesso em: 7 may. 2024.