@article{JRAM_1989__395_153115,
     author = {Ian Hambleton and Ib Madsen},
     title = {On the discriminants of forms with {Arf} invariant one.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {142--166},
     publisher = {mathdoc},
     volume = {395},
     year = {1989},
     zbl = {0653.57022},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__395_153115/}
}