%0 Journal Article %A Malanowski, Kazimierz %A Tröltzsch, Fredi %T Preface to the special issue on ''Theoretical and numerical aspects of optimal control'' %J Control and Cybernetics %D 2008 %P 247 %V 37 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_2_a0/ %G en %F CC_2008_37_2_a0