椭圆求周术

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子30711252 
清徐有壬撰 
椭圆求周术 
橢圓求周術 
Tuo Yuan Qiu Zhou Shu 
子 天文算法類 叢編之屬 
徐氏算學三種 
徐氏算學三種 
original 
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<http://data.library.sh.cn/gj/resource/contribution/hehv651z0fqx5hn3>
<http://data.library.sh.cn/entity/person/jwpvkttazojcjaip>
<http://data.library.sh.cn/gj/classification/ig1zryfkl6q555vh>

data from the linked data cloud