@article{ASENS_1999_4_32_1_71_0, author = {Ojanguren, Manuel and Panin, Ivan}, title = {A purity theorem for the Witt group}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, volume = {32}, year = {1999}, pages = {71-86}, doi = {10.1016/s0012-9593(99)80009-3}, mrnumber = {2000a:11057}, zbl = {0980.11025}, language = {en}, url = {http://dml.mathdoc.fr/item/ASENS_1999_4_32_1_71_0} }
Ojanguren, Manuel; Panin, Ivan. A purity theorem for the Witt group. Annales scientifiques de l'École Normale Supérieure, Tome 32 (1999) pp. 71-86. doi : 10.1016/s0012-9593(99)80009-3. http://gdmltest.u-ga.fr/item/ASENS_1999_4_32_1_71_0/
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