%0 Journal Article
%A Gerald W. Schwarz
%T Invariant theory of G2 and Spin7.
%J Commentarii mathematici Helvetici
%D 1988
%P 624-663
%V 63
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1988__63_4_140137/
%F CMH_1988__63_4_140137