@article{MM2_1985__52_155076,
     author = {Siegfried Steiner},
     title = {Riemannsche {Arealstrukturen} und muliquadratische {Formen.}},
     journal = {Manuscripta mathematica},
     pages = {21--36},
     publisher = {mathdoc},
     volume = {52},
     year = {1985},
     zbl = {0578.53018},
     url = {http://geodesic.mathdoc.fr/item/MM2_1985__52_155076/}
}