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@article{PORMA_1955__14_1_114749, author = {McCarthy, Paul J.}, title = {The representation of one quadratic form by another in valuated fields}, journal = {Portugaliae mathematica}, pages = {31--34}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1955}, mrnumber = {0082996}, zbl = {0065.27901}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1955__14_1_114749/} }
McCarthy, Paul J. The representation of one quadratic form by another in valuated fields. Portugaliae mathematica, Tome 14 (1955) no. 1, pp. 31-34. http://geodesic.mathdoc.fr/item/PORMA_1955__14_1_114749/