1. Arithmetic subgroups of algebraic groups;Borel;Ann. of Math.,1962
2. Differential Geometry and Symmetric Spaces;Helgason,1962
3. B. Hoogenboom, 1983, Intertwining Functions on Compact Lie Groups, Mathematisch Centrum, Amsterdam
4. Linear Algebraic Groups;Humphrey,1975
5. Orbital decomposition of an affine symmetric space;Iida,1993