1. Bracewell, R.N.: ‘The Fourier transform and its applications’, 3rd(McGraw-Hill, New York 1999)
2. Abramowitz, M., and Stegun, I.A.: ‘Handbook of mathematical functions’, (Dover, New York 1970)
3. Ozaktas, H.M., Zalevsky, Z., and Kutay, M.A.: ‘The fractional Fourier transform with applications in optics and signal processing’, (Wiley, Chichester 2001)
4. On Namias's Fractional Fourier Transforms