TY  - JOUR
AU  - Juan J. Garcia
AU  - Angel del Rio
TI  - On Flatness and Projectivity of a Ring as a Module over a Fixed Subring.
JO  - Mathematica Scandinavica
PY  - 1995
SP  - 179
EP  - 193
VL  - 76
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1995__76_2_167334/
ID  - MS2_1995__76_2_167334
ER  -