@article{MZ_1977__153_172496,
     author = {Jost-Heinrich Eschenburg},
     title = {Horospheres and the {Stable} {Part} of the {Geodesic} {Flow.}},
     journal = {Mathematische Zeitschrift},
     pages = {237--252},
     publisher = {mathdoc},
     volume = {153},
     year = {1977},
     zbl = {0332.53028},
     url = {http://geodesic.mathdoc.fr/item/MZ_1977__153_172496/}
}