@article{10_2307_121129,
     author = {Wilfried Schmid and Kari Vilonen},
     title = {Characteristic cycles and wave front cycles of representations of reductive {Lie} groups},
     journal = {Annals of mathematics},
     year = {2000},
     volume = {151},
     number = {3},
     doi = {10.2307/121129},
     zbl = {0960.22009},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/121129/}
}