Generalized Hyers-Ulam Stability of a Mixed Type Additive-quadratic Functional Equation in non-Archimedean Fields
K. Ravi, J. M. Rassias & S. Sabarinathan · Journal of Advances in Mathematics and Computer Science · 2015
In this paper, we investigate the generalized Hyers-Ulam stability of the functional equation 4[f(x + 3y) + f(3x + y)] − 9f(x + y) + 15f(x − y) = 4f(3x) + 10f(x) + 9f(3y) − 35f(y) in non-Archimedean elds.
Open access
Research Article
10.9734/BJMCS/2016/21874