G. Balasubramaniyan, V. Govindan and C. Muthamilarasi (2017) “General Solution and Stability of Quadratic Functional Equation”, International Journal of Mathematics And its Applications, 5(2 - A), pp. 13–16. Available at: https://ijmaa.in/index.php/ijmaa/article/view/791 (Accessed: 22 July 2024).