TY  - JOUR
AU  - Paul Yiu
TI  - Quadratic forms between Euclidean Spheres.
JO  - Manuscripta mathematica
PY  - 1994
SP  - 171
EP  - 182
VL  - 83
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1994__83_3-4_155954/
ID  - MM2_1994__83_3-4_155954
ER  -