1. Differential galois theory;Beukers,1995
2. Differential equations and algebraic relations;Compoint;J. Symbolic Computation,1998
3. Compoint, E. and M.F. Singer — Computing galois groups of completely reducible differential equations, to appear in J. Symbolic Computation.
4. Representation Theory;Fulton,1991
5. Hoeij, M. van and J.-A. Weil — An algorithm for computing invariants of differential galois groups. J. Pure and Applied Algebra 117&118, 353–379.