%0 Journal Article %A Rich Stankewitz %A Toshiyuki Sugawa %A Hiroki Sumi %T Some counterexamples in dynamics of rational semigroups %J Annales Fennici Mathematici %D 2004 %P 357-366 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2004_29_2_a7/ %G en %F AFM_2004_29_2_a7