Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1983__38_141307, author = {H. Wegmann}, title = {Quadratsummen in {Restklassenringen.}}, journal = {Elemente der Mathematik}, pages = {36--38}, publisher = {mathdoc}, volume = {38}, year = {1983}, zbl = {0515.10003}, url = {http://geodesic.mathdoc.fr/item/ELMA_1983__38_141307/} }
H. Wegmann. Quadratsummen in Restklassenringen.. Elemente der Mathematik, Tome 38 (1983), pp. 36-38. http://geodesic.mathdoc.fr/item/ELMA_1983__38_141307/