%0 Journal Article %T Stability of Cubic Functional Equation in the Spaces of Generalized Functions %A Young-Su Lee %A Soon-Yeong Chung %J Journal of Inequalities and Applications %D 2007 %I Springer %R 10.1155/2007/79893 %X In this paper, we reformulate and prove the Hyers-Ulam-Rassias stability theorem of the cubic functional equation f(ax+y)+f(ax ¡é ¡¯y)=af(x+y)+af(x ¡é ¡¯y)+2a(a2 ¡é ¡¯1)f(x) for fixed integer a with a ¡é ¡ë 0, ¡À1 in the spaces of Schwartz tempered distributions and Fourier hyperfunctions. %U http://dx.doi.org/10.1155/2007/79893