1. Kumar S. Neural networks: a classroom approach. McGraw-Hill; 2004. https://books.google.com/books?id=y67YnH4kEMsC.
2. Buja A, Tibshirani R, Hastie T, Simard P, Sackinger E. Pattern classification and scene analysis. New York: Wiley; 1973.
3. Medgassy P. Decomposition of superposition of distributed functions. 1961.
4. Micchelli CA. Interpolation of scattered data: distance matrices and conditionally positive definite functions. In: Approximation theory and spline functions. Springer; 1984, p. 143–5.
5. Broomhead DS, Lowe D. Radial basis functions, multi-variable functional interpolation and adaptive networks. Technical report, DTIC Document; 1988.