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@article{FORUM_1989__1_3_141617, author = {JIMMIE D. LAWSON}, title = {Ordered {Manifolds,} {Invariant} {Cone} {Fields,} and {Semigroups.}}, journal = {Forum mathematicum}, pages = {273--308}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1989}, zbl = {0672.53041}, url = {http://geodesic.mathdoc.fr/item/FORUM_1989__1_3_141617/} }
JIMMIE D. LAWSON. Ordered Manifolds, Invariant Cone Fields, and Semigroups.. Forum mathematicum, Tome 1 (1989) no. 3, pp. 273-308. http://geodesic.mathdoc.fr/item/FORUM_1989__1_3_141617/