%0 Journal Article %A J. Cohn %T Waring's problem in quadratic number fields %J Acta Arithmetica %D 1972 %P 1-16 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-20-1-1-16/ %R 10.4064/aa-20-1-1-16 %G en %F 10_4064_aa_20_1_1_16