TY  - JOUR
AU  - Marshall, M.
TI  - Some Local-Global Principles for Formally Real Fields
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 606
EP  - 614
VL  - 29
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-061-3/
DO  - 10.4153/CJM-1977-061-3
ID  - 10_4153_CJM_1977_061_3
ER  -