@article{GDZPPN002212412,
title = {Deformation of the nilpotent zero scheme and the intersection ring of invariant subvarieties.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {468},
year = {1995},
pages = {37-54},
zbl = {0839.14008},
url = {http://dml.mathdoc.fr/item/GDZPPN002212412}
}
Carrell, James B. Deformation of the nilpotent zero scheme and the intersection ring of invariant subvarieties.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 37-54. http://gdmltest.u-ga.fr/item/GDZPPN002212412/