%0 Journal Article %A Sambusetti, Andrea %T Asymptotic properties of coverings in negative curvature %J Geometry & topology %D 2008 %P 617-637 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.617/ %R 10.2140/gt.2008.12.617 %F GT_2008_12_1_a13