%0 Journal Article
%A J. Vukman
%T Symmetric bi-derivations on prime and semi-prime rings.
%J Aequationes mathematicae
%D 1989
%P 245-254
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1989__38_1_137331/
%F AM2_1989__38_1_137331