%0 Journal Article %A M. Ciligot-Travain %A S. Traore %T On Subgradients of Spectral Functions %J Journal of convex analysis %D 2002 %P 401-414 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2002_9_2_JCA_2002_9_2_a4/ %F JCA_2002_9_2_JCA_2002_9_2_a4