@article{CMH_1975__50_139609,
     author = {Eberhard Becker and Karl-Josef Spitzlay},
     title = {Zum {Satz} von {Artin-Schreier} \"uber die {Eindeutigkeit} des reellen {Abschlusses} eines angeordneten {K\"orpers.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {81--88},
     publisher = {mathdoc},
     volume = {50},
     year = {1975},
     zbl = {0299.12102},
     url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139609/}
}