JENSEN, C. U. On the Diophantine Equation $\xi^2-2m^2\nu^2=-1$. MATHEMATICA SCANDINAVICA, [S. l.], v. 11, p. 58–62, 1962. DOI: 10.7146/math.scand.a-10649. Disponível em: https://www.mscand.dk/article/view/10649. Acesso em: 5 may. 2024.