TY  - JOUR
AU  - Stephen Halperin
TI  - The non-vanishing of the deviations of a local ring.
JO  - Commentarii mathematici Helvetici
PY  - 1987
SP  - 646
EP  - 653
VL  - 62
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1987__62_140104/
ID  - CMH_1987__62_140104
ER  -