@article{COMIM_2002__10_1_a3,
     author = {Jackson, Terence},
     title = {Quaternary quadratic forms and an associated lattice constant},
     journal = {Communications in Mathematics},
     pages = {43--48},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2002},
     mrnumber = {1943022},
     zbl = {1051.11032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2002__10_1_a3/}
}