TY  - JOUR
AU  - Baues, Oliver
TI  - Finite extensions and unipotent shadows of affine crystallographic groups
JO  - Comptes Rendus. Mathématique
PY  - 2002
SP  - 785
EP  - 788
VL  - 335
IS  - 10
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/S1631-073X(02)02562-1/
DO  - 10.1016/S1631-073X(02)02562-1
LA  - en
ID  - CRMATH_2002__335_10_785_0
ER  -