@article{MZ_1931__33_168281,
     author = {Baer. R.},
     title = {Abbildungseigenschaften algebraischer {Erweiterungen}},
     journal = {Mathematische Zeitschrift},
     pages = {451--479},
     year = {1931},
     volume = {33},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168281/}
}