%0 Journal Article %A Manfred Knebusch %T On the Uniqueness of Real Closures and the Existence of Real Places %J Commentarii mathematici Helvetici %D 1972 %P 260-269 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1972__47_139514/ %F CMH_1972__47_139514