%0 Journal Article
%A P. Ribenboim
%T Pfister's Dimension and the Level of Fields.
%J Mathematica Scandinavica
%D 1974
%P 301-308
%V 35
%U http://geodesic.mathdoc.fr/item/MS2_1974__35_166393/
%F MS2_1974__35_166393