%0 Journal Article %A Joseph Yucas %T Quadratic forms and radicals of fields %J Acta Arithmetica %D 1981 %P 313-322 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-39-4-313-322/ %R 10.4064/aa-39-4-313-322 %G en %F 10_4064_aa_39_4_313_322