TY - JOUR AU - BERNT LINDSTRÖM TI - On the Realization of Convex Polytopes, Euler's Formula and Möbius Functions JO - Aequationes mathematicae PY - 1971 SP - 235 EP - 240 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1971__6_136194/ ID - AM2_1971__6_136194 ER -