Islam, Shah Mohammad Shahidul, and Abdullah Al Kafi Majumdar. β€œOn the Diophantine Equations z<sup>2</sup> = k(k<sup>2</sup> + 3) and z<sup>2</sup> = k(k<sup>2</Sup> + 12)”. Journal of Bangladesh Academy of Sciences 45, no. 1 (July 15, 2021): 127–129. Accessed November 28, 2021. https://banglajol.info/index.php/JBAS/article/view/54265.