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@article{MZ_1994__215_1_174622, author = {Donald G. James}, title = {Representations by unimodular quadratic {Z-lattices.}}, journal = {Mathematische Zeitschrift}, pages = {465--476}, publisher = {mathdoc}, volume = {215}, number = {1}, year = {1994}, zbl = {0790.11028}, url = {http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174622/} }
Donald G. James. Representations by unimodular quadratic Z-lattices.. Mathematische Zeitschrift, Tome 215 (1994) no. 1, pp. 465-476. http://geodesic.mathdoc.fr/item/MZ_1994__215_1_174622/