Characterization of the solution of the Diophantine equation x^2+ y^2 = 2z^2. Gulf Journal of Mathematics, [S. l.], v. 3, n. 2, 2015. DOI: 10.56947/gjom.v3i2.154. Disponível em: https://www.gjom.org/index.php/gjom/article/view/154. Acesso em: 21 aug. 2026.