@article{MZ_1976__147_172331,
     author = {Siegfried Steiner},
     title = {Zur {Geometrie} der {Fl\"achenr\"aume.}},
     journal = {Mathematische Zeitschrift},
     pages = {181--190},
     publisher = {mathdoc},
     volume = {147},
     year = {1976},
     zbl = {0305.53028},
     url = {http://geodesic.mathdoc.fr/item/MZ_1976__147_172331/}
}