Title of article :
On the stability of the functional equation
f (x+y+xy) = f (x)+f (y)+xf (y)+yf (x)
Author/Authors :
Yong-Soo Jung، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2002
Abstract :
In this paper we study the Hyers–Ulam stability and the superstability of the functional
equation f (x + y +xy) = f (x) + f (y) + xf (y) + yf (x).
2002 Elsevier Science (USA). All rights reserved.
Keywords :
stability , Functional equation
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications