%0 Journal Article %A F.W. Gehring %T Injectivity of local quasi-isometries. %J Commentarii mathematici Helvetici %D 1982 %P 202-220 %V 57 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1982__57_139904/ %F CMH_1982__57_139904