TY  - JOUR
AU  - ASHRAFI, NAHID
TI  - THE UNIT SUM NUMBER OF SOME PROJECTIVE MODULES
JO  - Glasgow mathematical journal
PY  - 2008
SP  - 71
EP  - 74
VL  - 50
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089507004041/
DO  - 10.1017/S0017089507004041
ID  - 10_1017_S0017089507004041
ER  -