@article{10_4064_aa_20_1_1_16, author = {J. Cohn}, title = {Waring's problem in quadratic number fields}, journal = {Acta Arithmetica}, pages = {1--16}, publisher = {mathdoc}, volume = {20}, number = {1}, year = {1972}, doi = {10.4064/aa-20-1-1-16}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-20-1-1-16/} }