%0 Journal Article %A Mittenhuber, Dirk %T Dubins' problem is intrinsically three-dimensional %J ESAIM: Control, Optimisation and Calculus of Variations %D 1998 %P 1-22 %V 3 %I EDP-Sciences %U http://archive.numdam.org/item/COCV_1998__3__1_0/ %G en %F COCV_1998__3__1_0