TY - JOUR AU - B. S. Mordukhovich AU - N. M. Nam TI - Subgradients of Minimal Time Functions Under Minimal Requirements JO - Journal of convex analysis PY - 2011 SP - 915 EP - 947 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2011_18_4_JCA_2011_18_4_a1/ ID - JCA_2011_18_4_JCA_2011_18_4_a1 ER -