Prugsapitak S, Thongngam N. On the Diophantine Equation $x^2 - kxy + ky^2 + 3^ny = 0, n = 1, 2, 3$. Thai J Math [Internet]. 2024 Dec. 20 [cited 2025 Jan. 15];22(3):503–508. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1512