@article{GDZPPN002362813,
title = {On Flatness and Projectivity of a Ring as a Module over a Fixed Subring.},
journal = {Mathematica Scandinavica},
volume = {77},
year = {1995},
pages = {179-193},
zbl = {0842.16023},
url = {http://dml.mathdoc.fr/item/GDZPPN002362813}
}
Garcia, Juan J.; del Rio, Angel. On Flatness and Projectivity of a Ring as a Module over a Fixed Subring.. Mathematica Scandinavica, Tome 77 (1995) pp. 179-193. http://gdmltest.u-ga.fr/item/GDZPPN002362813/