TY - JOUR AU - Kunisch, Karl AU - Wachsmuth, Daniel TI - On time optimal control of the wave equation, its regularization and optimality system JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2013 SP - 317 EP - 336 VL - 19 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2012010/ DO - 10.1051/cocv/2012010 LA - en ID - COCV_2013__19_2_317_0 ER -