1. Haykin, S.: Neural Networks. A Comprehensive Foundation, 2nd edn. Prentice Hall, New Jersey (1999)
2. Hertz, J., Krogh, A., Palmer, R.G.: Introduction to the Theory of Neural Computation. Addison-Wesley, Reading (1991)
3. Sipser, M.: Introduction to the Theory of Computation, 2nd edn. Thomson Course Technology, USA (2006)
4. Aubin, J.-P.: Neural Networks and Qualitative Physics. Cambridge University Press, Cambridge (1996)
5. Hopfield, J.J.: Neural networks and physical systems with emergent collective computational abilities. Proc. Nat. Acad. Sci. U.S.A 79(8), 2554–2558 (1982)