TY - JOUR AU - Nour, Chadi TI - Semigeodesics and the minimal time function JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2006 SP - 120 EP - 138 VL - 12 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv:2005032/ DO - 10.1051/cocv:2005032 LA - en ID - COCV_2006__12_1_120_0 ER -