%0 Journal Article %A Marshall, M. %T Extending the Archimedean Positivstellensatz to the Non-Compact Case %J Canadian mathematical bulletin %D 2001 %P 223-230 %V 44 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2001-022-2/ %R 10.4153/CMB-2001-022-2 %F 10_4153_CMB_2001_022_2