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@article{CMH_1974__49_139570, author = {Peter Mani}, title = {Inner {Illumination} of {Convex} {Polytopes}}, journal = {Commentarii mathematici Helvetici}, pages = {65--73}, publisher = {mathdoc}, volume = {49}, year = {1974}, zbl = {0275.52004}, url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139570/} }
Peter Mani. Inner Illumination of Convex Polytopes. Commentarii mathematici Helvetici, Tome 49 (1974), pp. 65-73. http://geodesic.mathdoc.fr/item/CMH_1974__49_139570/