@article{MZ_1965__89_170448,
     author = {Volker Mammitzsch},
     title = {Maximale {Untermengenk\"orper.}},
     journal = {Mathematische Zeitschrift},
     pages = {324--332},
     publisher = {mathdoc},
     volume = {89},
     year = {1965},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1965__89_170448/}
}