On the stability of a quadratic Jensen type functional equation

On the Stability of the Linear Functional Equation

D. H. Hyers · Proceedings of the National Academy of Sciences · 1941 · 4K citations · Full text

Natural Sciences, Mathematics, Differential Equations +7

A Generalization of the Hyers-Ulam-Rassias Stability of Approximately Additive Mappings

P. Găvruţa · Journal of Mathematical Analysis and Applications · 1994 · 1.7K citations

Natural Sciences, Mathematics, Dynamical Systems +4

On the Stability of Functional Equations and a Problem of Ulam

Themistocles M. Rassias · Acta Applicandae Mathematicae · 2000 · 586 citations · Full text

Natural Sciences, Mathematics, Differential Equations +11

Approximate homomorphisms

D. H. Hyers, Themistocles M. Rassias · Aequationes Mathematicae · 1992 · 541 citations · Full text

On the Stability of Functional Equations in Banach Spaces

Themistocles M. Rassias · Journal of Mathematical Analysis and Applications · 2000 · 525 citations · Full text

Natural Sciences, Mathematics, Differential Equations +12