Generalized Hyers-Ulam stability of generalized ( N , K ) -derivations. Gordji, M.Eshaghi; Rassias, J.M.; Ghobadipour, N. — 2009 Abstract and Applied Analysis
Superstability for generalized module left derivations and generalized module derivations on a Banach module. I. Cao, Huai-Xin; Lv, Ji-Rong; Rassias, J.M. — 2009 Journal of Inequalities and Applications [electronic only]
Solution and stability of a mixed type cubic and quartic functional equation in quasi-Banach spaces. Gordji, M.Eshaghi; Zolfaghari, S.; Rassias, J.M.; Savadkouhi, M.B. — 2009 Abstract and Applied Analysis
Solution and stability of a mixed type additive, quadratic, and cubic functional equation. Gordji, M.Eshaghi; Gharetapeh, S.Kaboli; Rassias, J.M.; Zolfaghari, S. — 2009 Advances in Difference Equations [electronic only]
A fixed point approach to the stability of Pexider quadratic functional equation with involution. Pourpasha, M.M.; Rassias, J.M.; Saadati, R.; Vaezpour, S.M. — 2010 Journal of Inequalities and Applications [electronic only]