TEAM, S. The Stability of the Pexiderized Cosine Functional Equation: C. Kusollerschariya, P. Nakmahachalasint. Thai Journal of Mathematics, [S. l.], v. 6, n. 3, p. 39–44, 2008. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/132. Acesso em: 29 apr. 2024.