%0 Journal Article %A Moshe Rosenfeld %T Inner Illumination of Convex Polytopes. %J Elemente der Mathematik %D 1975 %P 27-28 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1975__30_141153/ %F ELMA_1975__30_141153