Biswas D. A Discussion on the Solution(s) of the Diophantine Equation 3^x + 15^y =Z² . J. Sci. Res. [Internet]. 2025 Jan. 1 [cited 2025 Sep. 22];17(1):129-32. Available from: https://www.banglajol.info/index.php/JSR/article/view/74079