%0 Journal Article %A Bonnard, Bernard %A Sugny, Dominique %T Geometric optimal control and two-level dissipative quantum systems %J Control and Cybernetics %D 2009 %P 1053-1080 %V 38 %N 4A %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2009_38_4A_a7/ %G en %F CC_2009_38_4A_a7