%0 Journal Article %A Pekka Tukia %A Jussi Väisälä %T Rings and bilipschitz maps in Banach spaces %J Annales Fennici Mathematici %D 2021 %P 587-591 %V 46 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2021_46_1_a35/ %G en %F AFM_2021_46_1_a35