@article{10_4153_CJM_1976_100_9,
     author = {Cooperstein, Bruce N.},
     title = {Some {Geometries} {Associated} with {Parabolic} {Representations} of {Groups} of {Lie} {Type}},
     journal = {Canadian journal of mathematics},
     pages = {1021--1031},
     year = {1976},
     volume = {28},
     number = {5},
     doi = {10.4153/CJM-1976-100-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-100-9/}
}