Dauben 1992. Dauben, Joseph W. (1992), "The "Pythagorean theorem" and Chinese Mathematics Liu Hui's Commentary on the 勾股 (Gou-Gu) Theorem in Chapter Nine of the Jiu Zhang Suan Shu", Amphora, Birkhäuser Basel, pp. 133–155, doi:10.1007/978-3-0348-8599-7_7, ISBN978-3-0348-9696-2
Siu 1993. Siu, Man-Keung (December 1993). "Proof and pedagogy in ancient China: Examples from Liu Hui's commentary on JIU ZHANG SUAN SHU". Educational Studies in Mathematics. 24 (4): 345–357. doi:10.1007/bf01273370. ISSN0013-1954. S2CID120420378.
Dauben 1998. Dauben, Joseph W. (September 1998). "Ancient Chinese mathematics: the (Jiu Zhang Suan Shu) vs Euclid's Elements. Aspects of proof and the linguistic limits of knowledge". International Journal of Engineering Science. 36 (12–14): 1339–1359. doi:10.1016/s0020-7225(98)00036-6. ISSN0020-7225.
Siu 1993. Siu, Man-Keung (December 1993). "Proof and pedagogy in ancient China: Examples from Liu Hui's commentary on JIU ZHANG SUAN SHU". Educational Studies in Mathematics. 24 (4): 345–357. doi:10.1007/bf01273370. ISSN0013-1954. S2CID120420378.
Siu 1993. Siu, Man-Keung (December 1993). "Proof and pedagogy in ancient China: Examples from Liu Hui's commentary on JIU ZHANG SUAN SHU". Educational Studies in Mathematics. 24 (4): 345–357. doi:10.1007/bf01273370. ISSN0013-1954. S2CID120420378.
Dauben 1998. Dauben, Joseph W. (September 1998). "Ancient Chinese mathematics: the (Jiu Zhang Suan Shu) vs Euclid's Elements. Aspects of proof and the linguistic limits of knowledge". International Journal of Engineering Science. 36 (12–14): 1339–1359. doi:10.1016/s0020-7225(98)00036-6. ISSN0020-7225.