@article{CMH_1969__44_139419,
     author = {H. Gross and P. Hafner},
     title = {\"Uber die {Eindeutigkeit} des reellen {Abschlusses} eines angeordneten {K\"orpers.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {491--494},
     publisher = {mathdoc},
     volume = {44},
     year = {1969},
     zbl = {0184.29503},
     url = {http://geodesic.mathdoc.fr/item/CMH_1969__44_139419/}
}