@misc{MZ_1963__81_170128,
     title = {4. {Morphieh\"ulle} eines algebrierten {Raumes.}},
     journal = {Mathematische Zeitschrift},
     pages = {11--14},
     publisher = {mathdoc},
     volume = {81},
     year = {1963},
     url = {http://geodesic.mathdoc.fr/item/MZ_1963__81_170128/}
}