\begin{thebibliography}{10}

\bibitem{HP}
H.~P. Corvallis.
\newblock {\em {\tt TOOLS.EXE}}.
\newblock {\tt hpcvbbs.cv.hp.com ftp.funet.fi wuarchive.wustl.edu}, 1991.

\bibitem{CL}
P.~Courbis and S.~Lalande.
\newblock {\em {Voyage au centre de la HP 48 S/SX}}.
\newblock Angkor, 1993.

\bibitem{DST}
Davenport, Siret, and Tournier.
\newblock {\em {Calcul formel: Syst\`emes et algorithmes de manipulations
  alg\'ebriques}}.
\newblock Masson, 1989.

\bibitem{Fe}
J.~Ferrard.
\newblock {\em {``Mathez'' la HP 48 G/GX}}.
\newblock D31 Diffusion, 1993.

\bibitem{CF}
C.~Ferraro.
\newblock {\em {\tt POLY46SX, POLY46GX, SMATH, SMATHGX}}.
\newblock {\tt ftp.funet.fi ftp.cis.com hplyot.obspm.fr}, 1993.

\bibitem{ALG48}
C.~N. Fiechter and M.~Heiskanen.
\newblock {\em {\tt ALG48V30.ZIP}}.
\newblock {\tt http://www.hut.fi/~mheiskan}, 1996.

\bibitem{Ga}
F.~Gantmacher.
\newblock {\em {Th\'eorie des matrices}}, volume~1.
\newblock Dunod, 1966.

\bibitem{POLYLIB}
M.~Heiskanen.
\newblock {\em {\tt POLYLIB.ZIP}}.
\newblock {\tt http://www.hut.fi/~mheiskan}, 1992,1995.

\bibitem{EQSTK}
M.~Heiskanen.
\newblock {\em {\tt EQSTK60.ZIP}}.
\newblock {\tt http://www.hut.fi/~mhesikan}, 1996.

\bibitem{JAZZ}
M.~Heiskanen.
\newblock {\em {\tt JAZZV6x.ZIP}}.
\newblock {\tt http://www.hut.fi/~mheiskan}, 1996.

\bibitem{gtools}
M.~Mikocevic.
\newblock {\em {\tt GNUTOOLS}}.
\newblock {\tt ftp://srcm1.zems.fer.hr:/pub/hp48/tools2.0.4.zip}, 1995.

\bibitem{RPL}
D.~{M\"ueller} and R.~Hellstern.
\newblock {\em {\tt RPL48V20.ZIP}}.
\newblock {\tt ftp.funet.fi cbs.cis.com hplyot.obspm.fr}, 1993.

\bibitem{JAVA}
R.~Steventon and A.~Schoorl.
\newblock {\em {\tt JAVA28.ZIP}}.
\newblock {\tt //ftp:ftp.cis.com/pub/hp48g/uploads/java28.zip}, 1996.

\end{thebibliography}
