TY - JOUR AU - Gugat, Martin AU - Leugering, Günter TI - Time Delay in Optimal Control Loops for Wave Equations JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2017 SP - 13 EP - 37 VL - 23 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2015038/ DO - 10.1051/cocv/2015038 LA - en ID - COCV_2017__23_1_13_0 ER -