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@article{PORMA_1956__15_3_114770, author = {Carlitz, L.}, title = {A note on representations of quadratic forms}, journal = {Portugaliae mathematica}, pages = {79--81}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {1956}, mrnumber = {0083511}, zbl = {0071.26901}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1956__15_3_114770/} }
Carlitz, L. A note on representations of quadratic forms. Portugaliae mathematica, Tome 15 (1956) no. 3, pp. 79-81. http://geodesic.mathdoc.fr/item/PORMA_1956__15_3_114770/