\bib{1968/rader} \yr 1968 \by Charles M. Rader \paper Discrete Fourier transforms when the number of samples is prime \jour Proceedings of the IEEE \issn 0018--9219 \vol 56 \pages 1107--1108 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1968/\allowbreak rader \endref