%0 Journal Article %A Stefanovski, Jovan %T Transformation of optimal control problems of descriptor systems into problems with state-space systems %J Kybernetika %D 2012 %P 1156-1179 %V 48 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2012__48_6_a5/ %G en %F KYB_2012__48_6_a5