%0 Journal Article %A Hans Leutwiler %T On a distance invariant under Möbius transformations in Rn %J Annales Fennici Mathematici %D 1987 %P 3-17 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1987.1219/ %R 10.5186/aasfm.1987.1219 %G en %F AFM_1987_12_1_a0