%0 Journal Article %A Jean-Pierre Aubin %A Hélène Frankowska %A Andrzej Lasota %T Poincaré's recurrence theorem for set-valued dynamical systems %J Annales Polonici Mathematici %D 1991 %P 85-91 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-54-1-85-91/ %R 10.4064/ap-54-1-85-91 %G en %F 10_4064_ap_54_1_85_91