割圆术 (赵友钦) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "割圆术 (赵友钦)" in Chinese language version.

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web.archive.org

Mikami, Yoshio. The development of mathematics in China and Japan. New York: Chelsea Pub. Co. 1974: 135–136 [2022-03-22]. ISBN 978-0-8284-0149-4. OCLC 1297145. （原始内容存档于2022-03-22）（英语）.

worldcat.org

Mikami, Yoshio. The development of mathematics in China and Japan. New York: Chelsea Pub. Co. 1974: 135–136 [2022-03-22]. ISBN 978-0-8284-0149-4. OCLC 1297145. （原始内容存档于2022-03-22）（英语）.