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\bibitem{ad:red2}
{Adobe Systems Inc.}
\newblock {\em {P}ost{S}cript Language Reference Manual}.
\newblock Addison Wesley, Reading, Massachusetts, second edition, 1990.

\bibitem{ho:splin}
J.~D. Hobby.
\newblock Smooth, easy to compute interpolating splines.
\newblock {\em Discrete and Computational Geometry}, 1(2), 1986.

\bibitem{ke:pic}
Brian~W. Kernighan.
\newblock Pic---a graphics language for typesetting.
\newblock In {\em Unix Research System Papers, Tenth Edition}, pages 53--77.
  AT\&T Bell Laboratories, 1990.

\bibitem{kn:c}
D.~E. Knuth.
\newblock {\em The {\MF}book}.
\newblock Addison Wesley, Reading, Massachusetts, 1986.
\newblock Volume C of {\it Computers and Typesetting}.
\newblock Д.~Е.~Кнут {\em Все про \MF}. --- ТД ``Вильямс'', 2003.

\bibitem{kn:a}
D.~E. Knuth.
\newblock {\em The {\TeX}book}.
\newblock Addison Wesley, Reading, Massachusetts, 1986.
\newblock Volume A of {\it Computers and Typesetting}.
\newblock Д.~Е.~Кнут {\em Все про \TeX}. --- Протвино: АО RD\TeX, 1993.

\bibitem{kn:e}
D.~E. Knuth.
\newblock {\em Computer Modern Typefaces}.
\newblock Addison Wesley, Reading, Massachusetts, 1986.
\newblock Volume E of {\it Computers and Typesetting}.

\bibitem{kn:mf3}
D.~E. Knuth.
\newblock The new versions of {\TeX} and {\MF}.
\newblock {\em {TUG}boat, the\/ {\TeX} User's Group Newsletter},
  10(3):325--328, November 1989.

\end{thebibliography}