TY - JOUR AU - Clason, Christian AU - Schiela, Anton TI - Optimal control of elliptic equations with positive measures JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2017 SP - 217 EP - 240 VL - 23 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2015046/ DO - 10.1051/cocv/2015046 LA - en ID - COCV_2017__23_1_217_0 ER -