%0 Journal Article
%A Paul Yiu
%T Quadratic forms between Euclidean Spheres.
%J Manuscripta mathematica
%D 1994
%P 171-182
%V 83
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1994__83_3-4_155954/
%F MM2_1994__83_3-4_155954