@article{10_4153_CJM_2002_017_6,
     author = {Braden, Tom},
     title = {Perverse {Sheaves} on {Grassmannians}},
     journal = {Canadian journal of mathematics},
     pages = {493--532},
     year = {2002},
     volume = {54},
     number = {3},
     doi = {10.4153/CJM-2002-017-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2002-017-6/}
}