TY  - JOUR
AU  - Almeida, Jorge
TI  - An elementary proof that finite groups are projectively torsion-free
JO  - Portugaliae mathematica
PY  - 1990
SP  - 437
EP  - 444
VL  - 47
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1990__47_4_115733/
LA  - en
ID  - PORMA_1990__47_4_115733
ER  -