%0 Journal Article %T Stability of an additive-quadratic functional equation of two variables in \(F\)-spaces %A Eshaghi Gordji, M. %J Journal of Nonlinear Sciences and Applications %D 2009 %V 2 %N 4 %@ ISSN 2008-1901 %F Eshaghi Gordji2009 %X %9 journal article %R 10.22436/jnsa.002.04.07 %U http://dx.doi.org/10.22436/jnsa.002.04.07 %P 251--259