TY - JOUR AU - L. Qi AU - R. S. Womersley TI - On Extreme Singular Values of Matrix Valued Functions JO - Journal of convex analysis PY - 1996 SP - 153 EP - 166 VL - 3 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1996_3_1_a10/ ID - JCA_1996_3_1_a10 ER -