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@article{DCG_1993__10_2_131284, author = {J. Linhart}, title = {Arrangements of {Oriented} {Hyperplanes.}}, journal = {Discrete & computational geometry}, pages = {435--446}, publisher = {mathdoc}, volume = {10}, number = {2}, year = {1993}, zbl = {0788.52014}, url = {http://geodesic.mathdoc.fr/item/DCG_1993__10_2_131284/} }
J. Linhart. Arrangements of Oriented Hyperplanes.. Discrete & computational geometry, Tome 10 (1993) no. 2, pp. 435-446. http://geodesic.mathdoc.fr/item/DCG_1993__10_2_131284/