我已经这样做了，但是网页没有出现。
\begin{thebibliography}{99}\\
\bibitem{work1}...\\
\bibitem{work9}J O'Connor i E F Robertson: Squaring the circle [en línia] <\underline{http:www-gap.dcs.st-and.ac.uk/~history/HistTopics/Squaring_the_circle.html}>.\\
\end{thebibliography}
答案1
hyperref 包怎么样？例如
\usepackage{hyperref}
然后在你的例子中
\bibitem{work1}...\
\bibitem{work9} J O'Connor i E F Robertson:
Squaring the circle [en línia]
\href{http:www-gap.dcs.st-and.ac.uk/~history/HistTopics/Squaring_the_circle.html}\
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