@article{MZ_1994__215_1_174618,
     author = {D.W. Lewis},
     title = {Trace forms of central simple algebras.},
     journal = {Mathematische Zeitschrift},
     pages = {367--376},
     publisher = {mathdoc},
     volume = {215},
     number = {1},
     year = {1994},
     zbl = {0790.11027},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174618/}
}