%0 Journal Article %A Datko, Richard %T A Generalization of the Bang-Bang Principle of Linear Control Theory* %J Canadian mathematical bulletin %D 1965 %P 783-789 %V 8 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-058-4/ %R 10.4153/CMB-1965-058-4 %F 10_4153_CMB_1965_058_4