TY - JOUR AU - Shcherbakova, Nataliya TI - Minimal surfaces in sub-riemannian manifolds and structure of their singular sets in the $(2,3)$ case JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2009 SP - 839 EP - 862 VL - 15 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2008051/ DO - 10.1051/cocv:2008051 LA - en ID - COCV_2009__15_4_839_0 ER -