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% \MRhref is called by the amsart/book/proc definition of \MR.
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\begin{thebibliography}{1}

\bibitem{dijkstra:fillers}
Edsger~W. Dijkstra, \emph{Fillers at the {Y}o{P} intitute}, in \emph{Formal
  Development of Programs and Proofs} \cite{dijkstra:fdpp}.

\bibitem{dijkstra:fdpp}
Edsger~W. Dijkstra (ed.), \emph{Formal development of programs and proofs},
  Addison-Wesley, 1990.

\end{thebibliography}
