@article{MAN_1929__101_159357,
     author = {H.F. Blichfeldt},
     title = {The {Minimum} {Value} of {Quadratic} {Forms,} and the {Closest} {Packing} of {Spheres}},
     journal = {Mathematische Annalen},
     pages = {605--607},
     publisher = {mathdoc},
     volume = {101},
     year = {1929},
     zbl = {55.0721.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1929__101_159357/}
}