%0 Journal Article
%A W. Singhof
%A Ch. Deninger
%T The e-invariant and the spectrum of the Lapacian for compact nilmanifolds covered by Heisenberg groups.
%J Inventiones mathematicae
%D 1984
%P 101-112
%V 78
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1984__78_143166/
%F IM_1984__78_143166