1. I.N. Aizenberg, N.N. Aizenberg, J. Vandewalle, Multi-Valued and Universal Binary Neurons — Theory, Learning, Applications, Kluwer Academic Publishers, Boston, Dordrecht, London, 2000. 1.1,1.5
2. N.N. Aizenberg, Yu.L. Ivaskiv, Multivalued Threshold Logic, Naukova Dumka, Kiev, Ukraine, 1977, in Russian. 1.1
3. H. Astola, “Computing the LP - and NP-equivalence classes using Burnside’s lemma,” Department of Signal Processing, Tampere University of Technology, Research Seminar, July 2009. 1.3,1.4
4. J.T. Astola, R.S. Stanković, Fundamentals of Switching Theory and Logic Design, Springer, 2006. 1.3, 1.3, 1.3
5. P.J. Cameron, Combinatorics: Topics, Techniques, Algorithms, Cambridge University Press, 1994. 1.3