1. Cutland, N. J.: 1980,Computability: An Introduction to Recursive Function Theory, Cambridge University Press, Cambridge.
2. Davis, M.: 1982,Computability and Unsolvability, Dover, New York.
3. Dreyfus, H. and Dreyfus, S.: 1988, ?Making a Mind Versus Modeling the Brain: Artificial Intelligence Back at a Branchpoint?, in S. R. Graubard (ed.),The Artificial Intelligence Debate: False Starts, Real Foundations, MIT Press, Cambridge, Massachusetts, pp. 15?43.
4. Fodor, J. and McLaughlin, B.: 1990, ?Connectionism and the Problem of Systematicity: Why Smolensky's Solution Doesn't Work?,Cognition 35, 183?204.
5. Fodor, J. and Pylyshyn, Z.: 1988, ?Connectionism and Cognitive Architecture?,Cognition 28, 3?71.