Pellat-Finet P., Bonnet G., Fractional-order Fourier transform and Fourier optics, Opt. Comm., 111 :141-154, 1994.
Pellat-Finet P., Fresnel diffraction and the fractional-order Fourier transform, Appl. Opt., 19(18) :1388-1390, 1994.
Lohmann A. W., Image rotation, Wigner rotation, and the fractional Fourier transform, J. Opt. Soc. Am. A, 10(10) :2181-2186, 1993.
Siegman, LASERS, Universty Science Books, -, pp. 628, 1986.
P. Flandrin, Temps-Fréquence, Hermès, Paris, 2eme edition, 1998.
H. Ozaktas, Z. Zalevsky and M. Kutay, The Fractional Fourier Transform, Wiley Press, -, 2001.