@article{GDZPPN00206667X,
title = {The non-vanishing of the deviations of a local ring.},
journal = {Commentarii mathematici Helvetici},
volume = {62},
year = {1987},
pages = {646-653},
zbl = {0639.13011},
url = {http://dml.mathdoc.fr/item/GDZPPN00206667X}
}
Halperin, Stephen. The non-vanishing of the deviations of a local ring.. Commentarii mathematici Helvetici, Tome 62 (1987) pp. 646-653. http://gdmltest.u-ga.fr/item/GDZPPN00206667X/