TY - JOUR AU - A. Gavioli TI - A Viability Result in the Upper Semicontinuous Case JO - Journal of convex analysis PY - 1998 SP - 381 EP - 396 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_1998_5_2_a9/ ID - JCA_1998_5_2_a9 ER -