On some properties of the Diophantine equations a2 = b2 ± bc +c2. Journal of Bangladesh Academy of Sciences, [S. l.], v. 45, n. 1, p. 123–125, 2021. DOI: 10.3329/jbas.v45i1.54264. Disponível em: https://banglajol.info/index.php/JBAS/article/view/54264. Acesso em: 25 jun. 2026.