Team, S. (2008) “A quadratic functional equation and its generalized Hyers-Ulam Rassias stability: Wanchitra Towanlong, Paisan Nakmahachalasint”, Thai Journal of Mathematics, 6(3), pp. 85–91. Available at: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/137 (Accessed: 2 May 2024).