TY - JOUR AU - A. S. Lewis TI - The Convex Analysis of Unitarily Invariant Matrix Functions JO - Journal of convex analysis PY - 1995 SP - 173 EP - 184 VL - 2 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a11/ ID - JCA_1995_2_1-2_a11 ER -