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@article{JRAM_1978__0299_0300_151981, author = {S. Gurak}, title = {On the {Hasse} norm principle.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {16--27}, publisher = {mathdoc}, volume = {0299_0300}, year = {1978}, zbl = {0367.12006}, url = {http://geodesic.mathdoc.fr/item/JRAM_1978__0299_0300_151981/} }
S. Gurak. On the Hasse norm principle.. Journal für die reine und angewandte Mathematik, 0299_0300 (1978), pp. 16-27. http://geodesic.mathdoc.fr/item/JRAM_1978__0299_0300_151981/