TY  - JOUR
AU  - Lambek, J.
TI  - A Module is Flat if and Only if its Character Module isInjective
JO  - Canadian mathematical bulletin
PY  - 1964
SP  - 237
EP  - 243
VL  - 7
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-021-9/
DO  - 10.4153/CMB-1964-021-9
ID  - 10_4153_CMB_1964_021_9
ER  -