%0 Journal Article %A Alberto Bressan %A Graziano Crasta %T Extremal selections of multifunctions generating a continuous flow %J Annales Polonici Mathematici %D 1994 %P 101-117 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-60-2-101-117/ %R 10.4064/ap-60-2-101-117 %G en %F 10_4064_ap_60_2_101_117