Rabago, Julius Fergy. “On Diophantine Equations \(2^x + 3y^2 = 4^z\) and \( 2^x + 7y^2 = 4^z\)”. International Journal of Advanced Mathematical Sciences 1, no. 1 (March 15, 2013): 23–25. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/IJAMS/article/view/708.