Asymptotic behavior of alternative Jensen and Jensen type functional equations

On the Stability of the Linear Functional Equation

D. H. Hyers · Proceedings of the National Academy of Sciences · 1941 · 3.9K citations · Full text

Engineering, Linear Functional Equation, System Stability +4

Lectures on Functional Equations and their Applications.

F. Hahn, J. Aczél, Hansjörg Oser · American Mathematical Monthly · 1968 · 2.6K citations

Functional Equations, Function Theory, Nonlinear Equation +2

Remarks on the stability of functional equations

Piotr W. Cholewa · Aequationes Mathematicae · 1984 · 584 citations

Engineering, Functional Equations, System Stability +4

On approximation of approximately linear mappings by linear mappings

John Michael Rassias · Journal of Functional Analysis · 1982 · 565 citations

Mathematical Programming, Engineering, Interpolation Space +5

Hyers-Ulam stability of functional equations in several variables

Gian Luigi Forti · Aequationes Mathematicae · 1995 · 449 citations

Several Variables, Engineering, System Stability +4