@article{AM2_1969__2_182332,
     author = {B.L. VAN DER WAERDEN},
     title = {Das {Minimum} von {D} / f11 f22...f55 f\"ur reduzierte positive quin\"are quadratische {Formen}},
     journal = {Aequationes mathematicae},
     pages = {233--247},
     publisher = {mathdoc},
     volume = {2},
     year = {1969},
     zbl = {0174.08301},
     url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182332/}
}