TY  - JOUR
AU  - Karel Dekimpe
TI  - Units in group rings of crystallographic groups
JO  - Fundamenta Mathematicae
PY  - 2003
SP  - 169
EP  - 178
VL  - 179
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm179-2-4/
DO  - 10.4064/fm179-2-4
LA  - en
ID  - 10_4064_fm179_2_4
ER  -