1. Basu, S., Pollack, R., Roy, M.F.: Algorithms in real algebraic geometry. Algorithms and Computation in Mathematics, vol. 10. Springer, Berlin Heidelberg New York (2003)
2. Berger, M.: Géométrie, 2nd edn. Nathan (1990)
3. Bröcker, T., tom Dieck, T.: Representations of compact Lie groups. GTM, vol. 98, 1st edn. Springer, Berlin Heidelberg New York (1985)
4. Brown, C.: SLFQ (Simplifying Large Formulas with QEPCAD B). http://www.cs.usna. edu/~qepcad/SLFQ/Home.html
5. Casey, J.: A Treatise of the Analytical Geometry of the Point, Line, Circle and Conic Sections, 2nd edn. Dublin University Press (1893). Digitalized by Gallica, http://gallica.bnf.fr