\bib{1989/vetterli-split} \yr 1989 \mr 89k:94007 \by Martin Vetterli \by Pierre Duhamel \paper Split-radix algorithms for length-$p^m$ DFT's \jour IEEE Transactions on Acoustics, Speech, and Signal Processing \issn 0096--3518 \vol 37 \pages 57--64 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1989/\allowbreak vetterli-split \endref