TY  - JOUR
AU  - Kaplansky, Irving
AU  - Shaker, Richard J.
TI  - Abstract Quadratic Forms
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 1218
EP  - 1233
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-134-5/
DO  - 10.4153/CJM-1969-134-5
ID  - 10_4153_CJM_1969_134_5
ER  -