\begin{thebibliography}{VSBR83}

\bibitem[BOC92]{BOC92}
Michael Ben-Or and Richard Cleve.
\newblock Computing algebraic formulas using a constant number of registers.
\newblock {\em SIAM J. Comput.}, 21(1):54--58, 1992.

\bibitem[BS83]{BS83}
Walter Baur and Volker Strassen.
\newblock The complexity of partial derivatives.
\newblock {\em Theoret. Comput. Sci.}, 22(3):317--330, 1983.

\bibitem[Str75]{Str75}
Volker Strassen.
\newblock Die {B}erechnungskomplexit\"at der symbolischen {D}ifferentiation von
  {I}nterpolationspolynomen.
\newblock {\em Theor. Comput. Sci.}, 1(1):21--25, 1975.

\bibitem[VSBR83]{VSBR83}
L.~G. Valiant, S.~Skyum, S.~Berkowitz, and C.~Rackoff.
\newblock Fast parallel computation of polynomials using few processors.
\newblock {\em SIAM J. Comput.}, 12(4):641--644, 1983.

\end{thebibliography}
