TY  - JOUR
AU  - Hartwig von Essen
TI  - Nonflat deformations of modules and isolated singularities.
JO  - Mathematische Annalen
PY  - 1990
SP  - 413
EP  - 428
VL  - 287
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164695/
ID  - MAN_1990__287_1_164695
ER  -