%bibliography items of the chapter NRMat (mat.tex), cited in the comments of strassen.cc
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\bibitem{mat:boyer2009} B. Boyer, J.-G. Dumas, C. Pernet, W. Zhou, in \emph{Proceedings of ISSAC 2009}, ACM, New York 2009, p.~55.
\bibitem{mat:husslederman1996} S. Huss-Lederman, E. M. Jacobson, J. R. Johnson, A. Tsao, T. Turnbull, in \emph{Proceedings of Supercomputing '96}, IEEE, 1996.