TY - JOUR AU - Sachkov, Yuri L. TI - Conjugate and cut time in the sub-riemannian problem on the group of motions of a plane JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2010 SP - 1018 EP - 1039 VL - 16 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2009031/ DO - 10.1051/cocv/2009031 LA - en ID - COCV_2010__16_4_1018_0 ER -