%0 Journal Article %A Eskin, Alex %A Farb, Benson %T Quasi-flats and rigidity in higher rank symmetric spaces %J Journal of the American Mathematical Society %D 1997 %P 653-692 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-97-00238-5/ %R 10.1090/S0894-0347-97-00238-5 %F 10_1090_S0894_0347_97_00238_5