@article{paperid:1016597,
author = {Madjid Eshaghi Gordji and Sal Moslehian, Mohammad},
title = {A trick for investigation of approximate derivations},
journal = {Mathematical Communications},
year = {2010},
volume = {15},
number = {1},
month = {March},
issn = {1331-0623},
pages = {99--105},
			numpages = {6},
keywords = {Hyers-Ulam stability; derivation; ring homomorphism; Banach algebra; Ba-
nach module; module extension},
}