\bib{1976/pippenger}
\yr 1976
\mr 58:3682
\by Nicholas Pippenger
\paper On the evaluation of powers and related problems (preliminary version)
\inbook \cite{1976/-focs}
\pages 258--263
\also newer version split into \cite{1979/pippenger} and \cite{1980/pippenger}
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1976/\allowbreak pippenger
\endref