%0 Journal Article %A Umesh, R. M. %T Conditions for a constrained system to have a set of impulse energy measures %J Kybernetika %D 1989 %P 45-59 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1989__25_1_a5/ %G en %F KYB_1989__25_1_a5