@article{JCA_1998_5_2_a5, author = {P. Gritzmann and V. Klee}, title = {Separation by {Hyperplanes} in {Finite-Dimensional} {Vector} {Spaces} {Over} {Archimedean} {Ordered} {Fields}}, journal = {Journal of convex analysis}, pages = {279--302}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1998}, url = {http://geodesic.mathdoc.fr/item/JCA_1998_5_2_a5/} }