TY - JOUR AU - Martinez, Patrick AU - Vancostenoble, Judith TI - Stabilization of the wave equation by on-off and positive-negative feedbacks JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2002 SP - 335 EP - 377 VL - 7 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2002015/ DO - 10.1051/cocv:2002015 LA - en ID - COCV_2002__7__335_0 ER -