M, Arunkumar, Alexpandiyan V, and Sathya E. “Stability Of 4D Alternate Additive Functional Equation”. Journal of Computational Mathematica 8, no. 1 (June 30, 2024): 057-074. Accessed April 26, 2026. https://shcpub.in/index.php/cm/article/view/368.