@article{GDZPPN00241886X, title = {Horospheres and the Stable Part of the Geodesic Flow.}, journal = {Mathematische Zeitschrift}, volume = {154}, year = {1977}, pages = {237-252}, zbl = {0332.53028}, url = {http://dml.mathdoc.fr/item/GDZPPN00241886X} }
Eschenburg, Jost-Heinrich. Horospheres and the Stable Part of the Geodesic Flow.. Mathematische Zeitschrift, Tome 154 (1977) pp. 237-252. http://gdmltest.u-ga.fr/item/GDZPPN00241886X/