Wei Chen, An-Jing Qu (2026). How did Zu Chongzhi calculate $$\pi =355/113$$?: a reconstruction of an ancient Chinese algorithm for fractional approximation. Archive for History of Exact Sciences.DOI
Gang Li, Anjing Qu (2025). A neglected text: the new method of Hu Shi and Zhu Zaiyu's interpolation. Archive For History Of Exact Sciences, Vol. 79, No. 1.DOI
Quan Tang, Anjing Qu (2018). A Comparison of Chinese and Indian Solar Theories in the Sui and Early Tang Periods (Seventh-Eighth Centuries c.e.). Journal For The History Of Astronomy, Vol. 490, No. 40.DOI
Quan Tang, Anjing Qu (2017). Research on the Motion of Mars in the Sovereign Pole System (a.d. 600). Journal For The History Of Astronomy, Vol. 480.DOI