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@article{CMH_1972__47_139514, author = {Manfred Knebusch}, title = {On the {Uniqueness} of {Real} {Closures} and the {Existence} of {Real} {Places}}, journal = {Commentarii mathematici Helvetici}, pages = {260--269}, publisher = {mathdoc}, volume = {47}, year = {1972}, zbl = {0257.12102}, url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_139514/} }
Manfred Knebusch. On the Uniqueness of Real Closures and the Existence of Real Places. Commentarii mathematici Helvetici, Tome 47 (1972), pp. 260-269. http://geodesic.mathdoc.fr/item/CMH_1972__47_139514/