%0 Journal Article %A Colonius, F. %A Johnson, R. %T Local and global null controllability of time varying linear control systems %J ESAIM: Control, Optimisation and Calculus of Variations %D 1997 %P 329-341 %V 2 %I EDP-Sciences %U http://archive.numdam.org/item/COCV_1997__2__329_0/ %G en %F COCV_1997__2__329_0