%0 Journal Article %A J. Cohn %T Waring's problem in quadratic number fields. Addendum %J Acta Arithmetica %D 1973 %P 417-418 %V 23 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-23-4-417-418/ %R 10.4064/aa-23-4-417-418 %G en %F 10_4064_aa_23_4_417_418