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2. G. Cybenko, “Approximation by Superposition of a Sigmoidal Function,” Mathematics of Control, Signals, and Systems 2, 303–314 (1989).
3. V. I. Dmitriev and G. A. Kokotushin, The Album of MTS Curves in Inhomogeneous Media (MGU Press, Moscow, 1971) [in Russian].
4. A. N. Gorban’, V. L. Dunin-Barkovskii, E. M. Markes, et al., Neuroinformatics (Nauka, Novosibirsk, 1998) [in Russian].
5. S. Haykin, Neural Networks: Complete Course (Vil’yams, Moscow, 2006) [in Russian].