1. The higher derivatives of the inverse tangent function and rapidly convergent BBP-type formulas for pi;Adegoke;Applied Mathematics E-Notes,2010
2. Approximation by superpositions of a sigmoidal function;Cybenko;Mathematics of Control, Signals, and Systems,1989
3. Sobolev training for neural networks;Czarnecki,2017
4. Real analysis;Folland,1999
5. Networks and the best approximation property;Girosi;Biological Cybernetics,1990