TY - JOUR AU - Bugariu, Ioan Florin AU - Micu, Sorin TI - A singular controllability problem with vanishing viscosity JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2014 SP - 116 EP - 140 VL - 20 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2013057/ DO - 10.1051/cocv/2013057 LA - en ID - COCV_2014__20_1_116_0 ER -