\bib{1979/pippenger}
\yr 1979
\mr 81e:05079
\by Nicholas Pippenger
\paper The minimum number of edges in graphs with prescribed paths
\jour Mathematical Systems Theory
\issn 0025--5661
\vol 12
\pages 325--346
\seeolder \cite{1976/pippenger}
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1979/\allowbreak pippenger
\endref