TY  - JOUR
AU  - Shephard, G. C.
TI  - Polytopes with Centrally Symmetric Faces
JO  - Canadian journal of mathematics
PY  - 1967
SP  - 1206
EP  - 1213
VL  - 19
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-109-3/
DO  - 10.4153/CJM-1967-109-3
ID  - 10_4153_CJM_1967_109_3
ER  -