On the Diophantine equations z2 = k(k2 + 3) and z2 = k(k2 + 12). Journal of Bangladesh Academy of Sciences, [S. l.], v. 45, n. 1, p. 127–129, 2021. DOI: 10.3329/jbas.v45i1.54265. Disponível em: https://banglajol.info/index.php/JBAS/article/view/54265. Acesso em: 25 jun. 2026.