@article{GDZPPN002103427, title = {Rational intersection cohomology of quotient varieties.}, journal = {Inventiones mathematicae}, volume = {83}, year = {1986}, pages = {471-506}, zbl = {0613.14016}, url = {http://dml.mathdoc.fr/item/GDZPPN002103427} }
Kirwan, F. Rational intersection cohomology of quotient varieties.. Inventiones mathematicae, Tome 83 (1986) pp. 471-506. http://gdmltest.u-ga.fr/item/GDZPPN002103427/