@article{GDZPPN002209284,
title = {Signatures and flatness.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {426},
year = {1992},
pages = {61-70},
zbl = {0758.14041},
url = {http://dml.mathdoc.fr/item/GDZPPN002209284}
}
Acquistapace, F.; Broglia, F. Signatures and flatness.. Journal für die reine und angewandte Mathematik, Tome 426 (1992) pp. 61-70. http://gdmltest.u-ga.fr/item/GDZPPN002209284/