Generalized Hyers-Ulam-Rassias theorem in Menger probabilistic normed spaces. Gordji, M.Eshaghi; Ghaemi, M.B.; Majani, H. — 2010 Discrete Dynamics in Nature and Society
Generalized Ulam-Hyers stability of Jensen functional equation in Šerstnev PN spaces. Gordji, M.Eshaghi; Ghaemi, M.B.; Majani, H.; Park, C. — 2010 Journal of Inequalities and Applications [electronic only]