@article{GDZPPN002328372, title = {Small Deformations of Normal Singularities.}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {139-148}, zbl = {0586.14001}, url = {http://dml.mathdoc.fr/item/GDZPPN002328372} }
Ishii, Shihoko. Small Deformations of Normal Singularities.. Mathematische Annalen, Tome 275 (1986) pp. 139-148. http://gdmltest.u-ga.fr/item/GDZPPN002328372/