Satbility of Ternary Homomorphisms via Generalized Jensen Equation
  In this paper, we establish the generalized Hyers--Ulam--Rassias stability of homomorphisms between ternary algebras associted to the generalized Jensen functional equation $r f(\frac{sx+ty}{r}) = s f(x) + t f(y)$. 
Mohammad Sal Moslehian and Laszlo Szekelyhidi