%0 Journal Article %A Donald H. Hyers %A Themistocles M. Rassias %T Approximate homomorphisms. %J Aequationes mathematicae %D 1992 %P 125-153 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137488/ %F AM2_1992__44_1_137488