* {{Cite book |ref= harv|last=Brigham | first = E. Oran| title=The fast Fourier transform and its applications | location = Englewood Cliffs, N.J.| publisher = Prentice Hall| year=1988 |isbn=978-0-13-307505-2}}
* {{Cite book |ref= harv|author=Alan V. Oppenheim, Ronald W. Schafer, Buck, J. R.| title = Discrete-time signal processing | location = Upper Saddle River, N.J.| publisher = Prentice Hall|year=1999|isbn=978-0-13-754920-7}}
* {{Cite book |ref= harv|last=Smith | first = Steven W.|url=http://www.dspguide.com/ch8/1.htm | title = The Scientist and Engineer's Guide to Digital Signal Processing| edition = Second| location = San Diego, Calif. | publisher = California Technical Publishing| year=1999|isbn=978-0-9660176-3-2| chapter = Chapter 8: The Discrete Fourier Transform }}
* {{Cite book |ref= harv|author=Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, and Clifford Stein|year=2001| title = Introduction to Algorithms| edition = Second| publisher = MIT Press and McGraw-Hill |isbn=978-0-262-03293-3| chapter = Chapter 30: Polynomials and the FFT| pages=822-848}} esp. section 30.2: The DFT and FFT, pp. 830-838.
* {{cite journal
| author = P. Duhamel, B. Piron, and J. M. Etcheto
