TY - JOUR AU - León, Liliana AU - Zuazua, Enrique TI - Boundary controllability of the finite-difference space semi-discretizations of the beam equation JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2002 SP - 827 EP - 862 VL - 8 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2002025/ DO - 10.1051/cocv:2002025 LA - en ID - COCV_2002__8__827_0 ER -