LE, M. On the Diophantine System $x^2 - Dy^2 = 1-D$ and $x=2z^2-1$. MATHEMATICA SCANDINAVICA, [S. l.], v. 95, n. 2, p. 171–180, 2004. DOI: 10.7146/math.scand.a-14455. Disponível em: https://www.mscand.dk/article/view/14455. Acesso em: 11 apr. 2025.