%0 Journal Article
%A Kai Wang
%T A generalization of group difference sets and the matrix equation Am = dI + ...J.
%J Aequationes mathematicae
%D 1981
%P 212-222
%V 23
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1981__23_136912/
%F AM2_1981__23_136912