1. The Coq Proof Assistant,
http://coq.inria.fr
2. Lecture Notes in Computer Science;J.H. Davenport,2003
3. de Bruijn, N.G.: The Mathematical Vernacular, a language for mathematics with typed sets. In: Dybjer, P., et al. (eds.) Proceedings of the Workshop on Programming Languages, Marstrand, Sweden (1987)
4. von zur Gathen, J., Gerhard, J.: Modern Computer Algebra. Cambridge University Press, Cambridge (1999)
5. Lecture Notes in Artificial Intelligence;A. Grabowski,2006