%0 Journal Article %A Bressan, Alberto %A Marson, Andrea %T A maximum principle for optimally controlled systems of conservation laws %J Rendiconti del Seminario Matematico della Università di Padova %D 1995 %P 79-94 %V 94 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1995__94__79_0/ %G en %F RSMUP_1995__94__79_0