The main goal of this paper is the investigation of the general solution and the generalized Hyers-Ulam stability theorem of the following Euler-Lagrange type quadratic functional equation , in -Banach space, where are fixed rational numbers such that and .
"Generalized Stability of Euler-Lagrange Quadratic Functional Equation." Abstr. Appl. Anal. 2012 (SI14) 1 - 16, 2012. https://doi.org/10.1155/2012/219435