Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1974__140_172146, author = {Murray Marshall}, title = {Round {Quadratic} {Forms.}}, journal = {Mathematische Zeitschrift}, pages = {255--262}, publisher = {mathdoc}, volume = {140}, year = {1974}, zbl = {0281.10012}, url = {http://geodesic.mathdoc.fr/item/MZ_1974__140_172146/} }
Murray Marshall. Round Quadratic Forms.. Mathematische Zeitschrift, Tome 140 (1974), pp. 255-262. http://geodesic.mathdoc.fr/item/MZ_1974__140_172146/