TY - JOUR AU - Trélat, Emmanuel TI - Asymptotics of accessibility sets along an abnormal trajectory JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2001 SP - 387 EP - 414 VL - 6 PB - EDP-Sciences UR - http://www.numdam.org/item/COCV_2001__6__387_0/ LA - en ID - COCV_2001__6__387_0 ER -