Hyers-Ulam stability of a bi-Jensen functional equation on a punctured domain. Kim, Gwang Hui, Lee, Yang-Hi (2010) Journal of Inequalities and Applications [electronic only]
Hyers-ulam Stability of a General Quadratic Functional Equation Hark-Mahn Kim (2003) Publications de l'Institut Mathématique
Hyers-Ulam stability of a polynomial equation. Li, Yongjin, Hua, Liubin (2009) Banach Journal of Mathematical Analysis [electronic only]
Hyers-Ulam stability of Butler-Rassias functional equation. Jung, Soon-Mo (2005) Journal of Inequalities and Applications [electronic only]
Hyers-Ulam stability of functional equations in several variables. Gian Luigi Forti (1995) Aequationes mathematicae
Hyers-Ulam stability of mean value points. Gavruta, P., Jung, S.-M., Li, Y. (2010) Annals of Functional Analysis (AFA) [electronic only]
Hyers-Ulam-Rassias stability of the Apollonius type quadratic mapping in RN-spaces. Kenary, H.Azadi, Shafaat, Kh., Shafei, M., Takbiri, G. (2011) The Journal of Nonlinear Sciences and its Applications