@article{IM_1985__80_143218,
     author = {W. Borho and J.-L. Brylinski},
     title = {Differential operators on homogeneous spaces. {III.} {Characteristic} varieties of {Harish} {Chandra} modules and of primitive ideals.},
     journal = {Inventiones mathematicae},
     pages = {1--68},
     publisher = {mathdoc},
     volume = {80},
     year = {1985},
     zbl = {0577.22014},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__80_143218/}
}