%0 Journal Article %A Joseph, Anthony %T On the characteristic polynomials of orbital varieties %J Annales scientifiques de l'École Normale Supérieure %D 1989 %P 569-603 %V 22 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1594/ %R 10.24033/asens.1594 %G en %F ASENS_1989_4_22_4_569_0