<div class="fn value">
Theory of numbers；Construction with ruler and comith；History of  π；杨氏（Young, J. W. A.）（著）；狄克孙（Dickson, L. E.）（著）；斯密（Smith, David Eugene）（著）；郑太朴</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Wuhan_University" class="extiw" title="w:en:Wuhan University"><span title="university in Wuhan, China">Wuhan University</span></a>
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