%0 Journal Article
%A Kovacs, Amos
%T On Derivations in Prime Rings and a Question of Herstein
%J Canadian mathematical bulletin
%D 1979
%P 339-344
%V 22
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1979-042-0/
%R 10.4153/CMB-1979-042-0
%F 10_4153_CMB_1979_042_0