%0 Journal Article %A Tom Bachmann %T On the Invertibility of Motives of Affine Quadrics %J Documenta mathematica %D 2017 %P 363-395 %V 22 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/568/ %R 10.4171/dm/568 %F 10_4171_dm_568