%0 Journal Article %A R. W. Brockett %T On the control of a~flock by a~leader %J Informatics and Automation %D 2010 %P 56-63 %V 268 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2010_268_a4/ %G en %F TRSPY_2010_268_a4