1. T W Körner,Fourier Analysis (Cambridge University Press, Cambridge, 1989)
2. For historical remarks and construction see, for example [1, 3, 4].
3. B B Mandelbrot,The fractal geometry of nature (Freeman, New York, 1977)
4. K Falconer,Fractal geometry (John Wiley, New York, 1990)
5. R P Feynmann and A R Hibbs,Quantum mechanics and path integrals (McGraw-Hill, New York, 1965)