%0 Journal Article %A Aleksandar Obradović %T Optimal control of a rigid body system in a complex case %J Theoretical and applied mechanics %D 1991 %P 121 %V 17 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_1991_17_1_a12/ %G en %F TAM_1991_17_1_a12