TY - JOUR AU - T. Diagana TI - Variational Sum and Kato's Conjecture JO - Journal of convex analysis PY - 2002 SP - 291 EP - 294 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2002_9_1_JCA_2002_9_1_a15/ ID - JCA_2002_9_1_JCA_2002_9_1_a15 ER -