TY - JOUR AU - Illner, Reinhard AU - Lange, Horst AU - Teismann, Holger TI - Limitations on the control of Schrödinger equations JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2006 SP - 615 EP - 635 VL - 12 IS - 4 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv:2006014/ DO - 10.1051/cocv:2006014 LA - en ID - COCV_2006__12_4_615_0 ER -