@article{GDZPPN002104482, title = {Rational intersection cohomology of quotient varieties. II.}, journal = {Inventiones mathematicae}, volume = {88}, year = {1987}, pages = {153-168}, zbl = {0631.14012}, url = {http://dml.mathdoc.fr/item/GDZPPN002104482} }
Kirwan, F. Rational intersection cohomology of quotient varieties. II.. Inventiones mathematicae, Tome 88 (1987) pp. 153-168. http://gdmltest.u-ga.fr/item/GDZPPN002104482/