\begin{thebibliography}{Rud07}

% this bibliography is generated by alphadin.bst [8.2] from 2005-12-21

\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Rud07]{Rudin2007}
\textsc{Rudin}, Walter:
\newblock \emph{Analysis}.
\newblock Oldenbourg Wissenschaftsverlag GmbH, 2007

\bibitem[TP85]{Tenenbaum1985}
\textsc{Tenenbaum}, Morris ; \textsc{Pollard}, Harry:
\newblock \emph{Ordinary Differential Equations}.
\newblock Harper and Row, Publishers, Inc., 1985

\end{thebibliography}