@article{1991-bailey ,note={URL: {\tt http://www.scd.ucar.edu/css/staff/pauls/papers/FFFT/FFFT.html}} ,author={David H. Bailey and Paul N. Swarztrauber} ,ISSN={1095--7200} ,journal={SIAM Review} ,MR={92f:65162} ,pages={389--404} ,title={{The fractional Fourier transform and applications}} ,volume={33} ,year={1991} }