%0 Journal Article %A Saint Jean Paulin, J. %A Zoubairi, H. %T Optimal control and “strange term %J Portugaliae mathematica %D 2002 %P 161-178 %V 59 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_2002__59_2_50215/ %G en %F PORMA_2002__59_2_50215