In this paper we consider the general solution of a Jensen type functional equation. Moreover we prove the stability theorem of this equation in the spirit of Hyers, Ulam, Rassias and Gavruta.
"Stability of a Jensen type functional equation." Banach J. Math. Anal. 1 (1) 91 - 100, 2007. https://doi.org/10.15352/bjma/1240321559