\providecommand{\bysame}{\leavevmode\hbox to3em{\hrulefill}\thinspace}
\providecommand{\MR}{\relax\ifhmode\unskip\space\fi MR }
% \MRhref is called by the amsart/book/proc definition of \MR.
\providecommand{\MRhref}[2]{%
  \href{http://www.ams.org/mathscinet-getitem?mr=#1}{#2}
}
\providecommand{\href}[2]{#2}
\begin{thebibliography}{MTT86}

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Lassina Dembele, \emph{Quaternionic modular symbols and computing {H}ilbert
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\bibitem[Lan95]{lang:modular}
S.~Lang, \emph{Introduction to modular forms}, Springer-Verlag, Berlin, 1995,
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\bibitem[Lem01]{lemelin:dominic}
Dominic Lemelin, \emph{Mazur-tate type conjectures for elliptic curves defined
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B.~Mazur, \emph{Courbes elliptiques et symboles modulaires}, S\'eminaire
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Victor Shoup, \emph{Lower bounds for discrete logarithms and related problems},
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\bibitem[{\v{S}}ok80]{sokurov:shimura}
V.\thinspace{}V. {\v{S}}okurov, \emph{Shimura integrals of cusp forms}, Izv.
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\bibitem[Ste99]{stein:hecke}
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\bibitem[Ste00]{stein:phd}
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\bibitem[Ste03]{math252}
William Stein, \emph{Modular abelian varieties, \hfill\mbox{} {\tt
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\end{thebibliography}