1. Riemannien Symmetric Spaces of Rank One;Chavel,1972
2. Differential Geometry and Symmetric Spaces;Helgason,1962
3. The Theory of Spherical and Elliposoidal Harmonics;Hobson,1931
4. Analysis on Real and Complex Manifolds;Narasimhan,1968
5. Eigenfunctions of Laplace operators;Uhlenbeck;Bull. Amer. Math. Soc.,1972