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@article{PORMA_1973__32_4_115207, author = {Bentley, H.L.}, title = {T-categories and some representation theorems}, journal = {Portugaliae mathematica}, pages = {201--222}, publisher = {mathdoc}, volume = {32}, number = {4}, year = {1973}, mrnumber = {0317257}, zbl = {0258.18007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1973__32_4_115207/} }
Bentley, H.L. T-categories and some representation theorems. Portugaliae mathematica, Tome 32 (1973) no. 4, pp. 201-222. http://geodesic.mathdoc.fr/item/PORMA_1973__32_4_115207/