@article{GDZPPN002212234, title = {Cohomology rings of symplectic quotients.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, volume = {468}, year = {1995}, pages = {37-52}, zbl = {0851.57029}, url = {http://dml.mathdoc.fr/item/GDZPPN002212234} }
Kalkman, Jaap. Cohomology rings of symplectic quotients.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 37-52. http://gdmltest.u-ga.fr/item/GDZPPN002212234/