\begin{thebibliography}{Rud76}

\bibitem[Bro96]{b}
A.~Browder.
\newblock {\em Mathematical analysis}.
\newblock Undergraduate Texts in Mathematics. Springer-Verlag, New York, 1996.
\newblock An introduction.

\bibitem[Rud76]{r}
W.~Rudin.
\newblock {\em Principles of mathematical analysis}.
\newblock McGraw-Hill Book Co., New York, third edition, 1976.
\newblock International Series in Pure and Applied Mathematics.

\end{thebibliography}
