@article{GDZPPN002089319,
title = {Rigidity of Quotient Singularities.},
journal = {Inventiones mathematicae},
volume = {14},
year = {1971},
pages = {17-26},
zbl = {0232.14005},
url = {http://dml.mathdoc.fr/item/GDZPPN002089319}
}
Schlessinger, Michael. Rigidity of Quotient Singularities.. Inventiones mathematicae, Tome 14 (1971) pp. 17-26. http://gdmltest.u-ga.fr/item/GDZPPN002089319/