A New Proof of Diophantine Equation $\Bigg( \begin{matrix} n \\ 2 \end{matrix} \Bigg) = \Bigg( \begin{matrix} m \\ 4 \end{matrix} \Bigg)$. CMR [Internet]. 2021 May 20 [cited 2025 Dec. 6];25(3):282-8. Available from: https://www.global-sci.com/index.php/cmr/article/view/8622