TY - JOUR AU - G. Colombo AU - P. R. Wolenski TI - Variational Analysis for a Class of Minimal Time Functions in Hilbert Spaces JO - Journal of convex analysis PY - 2004 SP - 335 EP - 361 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2004_11_2_JCA_2004_11_2_a4/ ID - JCA_2004_11_2_JCA_2004_11_2_a4 ER -