Team, S. (2008) “The Stability of the Pexiderized Cosine Functional Equation: C. Kusollerschariya, P. Nakmahachalasint”, Thai Journal of Mathematics, 6(3), pp. 39–44. Available at: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/132 (Accessed: 29 April 2024).