%0 Journal Article %A León, Liliana %A Zuazua, Enrique %T Boundary controllability of the finite-difference space semi-discretizations of the beam equation %J ESAIM: Control, Optimisation and Calculus of Variations %D 2002 %P 827-862 %V 8 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2002025/ %R 10.1051/cocv:2002025 %G en %F COCV_2002__8__827_0