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@article{AIHPA_1986__45_2_117_0, author = {Yngvason, Jakob}, title = {Invariant states on {Borchers'} tensor algebra}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {117--145}, publisher = {Gauthier-Villars}, volume = {45}, number = {2}, year = {1986}, mrnumber = {866912}, zbl = {0639.46067}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AIHPA_1986__45_2_117_0/} }
Yngvason, Jakob. Invariant states on Borchers' tensor algebra. Annales de l'I.H.P. Physique théorique, Tome 45 (1986) no. 2, pp. 117-145. http://geodesic.mathdoc.fr/item/AIHPA_1986__45_2_117_0/