%0 Journal Article
%A Walter Ledermann
%T An arithmetical property of quadratic forms.
%J Commentarii mathematici Helvetici
%D 1959
%P 34-37
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1959__33_139160/
%F CMH_1959__33_139160