1. Publications de l'institute Mathématique de l'Université de Strasbourg;A. Borel,1969
2. Borel, A.: Linear algebraic groups. New York: Benjamin 1969
3. Bowen, R.: Weak mixing and unique ergodicity on homogeneous spaces. Israel J. Math. in press (1978)
4. Dani, S.G.: Kolmogorov automorphisms on homogeneous spaces. Amer. J. Math.98, 119–163 (1976)
5. Dani, S.G.: Bernoullian translations and minimal horospheres on homogeneous spaces. J. Indian Math. Soc.40, 245–284 (1976)