Tamang BB, Singh A. Determining the Solvability and Unsolvability of Quadratic Diophantine Equations Using Quadratic Residues and Continued Fractions. J. Inst. Sci. Tech. [Internet]. 2024 Dec. 28 [cited 2025 Feb. 22];29(2):143-9. Available from: https://nepjol.info/index.php/JIST/article/view/67929