%0 Journal Article %A B. S. Mordukhovich %A N. M. Nam %T Subgradients of Minimal Time Functions Under Minimal Requirements %J Journal of convex analysis %D 2011 %P 915-947 %V 18 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2011_18_4_JCA_2011_18_4_a1/ %F JCA_2011_18_4_JCA_2011_18_4_a1