@article{ASENS_1989_4_22_4_569_0,
     author = {Joseph, Anthony},
     title = {On the characteristic polynomials of orbital varieties},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {569--603},
     publisher = {Elsevier},
     volume = {Ser. 4, 22},
     number = {4},
     year = {1989},
     doi = {10.24033/asens.1594},
     mrnumber = {91d:17014},
     zbl = {0695.17003},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1594/}
}