%0 Journal Article %A Kawski, Matthias %A Maxwell, Parnell Ted %T Curvature of optimal control: Deformation of scalar-input planar systems %J Control and Cybernetics %D 2008 %P 353-367 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_2_a6/ %G en %F CC_2008_37_2_a6