1. Linear Algebraic Groups;Borel,1969
2. Groupes et algèbres de Lie, Chapitres 4, 5 et 6;Bourbaki,1975
3. The Module Theoretical Approach to Quasi-hereditary Algebras;Dlab;London Math. Soc. Lecture Note Series,1992
4. Representation of Finite-Dimensional Algebras;Gabriel;Encyclopedia of Math. Sci.: Algebra VIII,1991
5. Jürgens U. and Röhrle G. Algorithmic orbit classification for parabolic subgroups in simple algebraic groups (to appear).