@article{JEMS_2004_6_4_a3,
     author = {Michel Brion and Roy Joshua},
     title = {Intersection cohomology of reductive varieties},
     journal = {Journal of the European Mathematical Society},
     pages = {465--481},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {2004},
     doi = {10.4171/jems/17},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/17/}
}