%0 Journal Article %A Becher, Karim Johannes %T On the number of square classes of a field of finite level %J Documenta mathematica %D 2001 %P 65-84 %V Proc. Conf. Baton Rouge, March 26-30,2001 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2001__S7__a8/ %G en %F DOCMA_2001__S7__a8