%0 Journal Article
%A Marshall, M.
%T Some Local-Global Principles for Formally Real Fields
%J Canadian journal of mathematics
%D 1977
%P 606-614
%V 29
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-061-3/
%R 10.4153/CJM-1977-061-3
%F 10_4153_CJM_1977_061_3