1. Computing the structure of a Lie algebra;Beck,1977
2. Groupes et Algèbres de Lie, Chapitres VII et VIII;Bourbaki,1975
3. Théorie des Groupes de Lie, Tome III;Chevalley,1955
4. Advanced Calculus: An introduction to analysis;Fulks,1961
5. Using Cartan subalgebras to calculate nilradicals and Levi subalgebras of Lie algebras;de Graaf;J. Pure Appl. Algebra,1999