\bib{1973/hopcroft-duality-draft}
\yr 1973
\mr 56:17201
\by John E. Hopcroft
\by J. Musinski
\paper Duality applied to the complexity of matrix multiplications and other bilinear forms
\inbook \cite{1973/aho-stoc5}
\pages 73--87
\seenewer \cite{1973/hopcroft-duality}
\url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1973/\allowbreak hopcroft-duality-draft
\endref