Zhou, Zhe, CHUANXI WU, and GUANGHAN LI. “MEAN CURVATURE FLOW OF SUBMANIFOLDS WITH SMALL TRACELESS SECOND FUNDAMENTAL FORM”. JOURNAL OF ADVANCES IN MATHEMATICS 9, no. 9 (January 27, 2015): 3015–3023. Accessed July 12, 2025. https://www.rajpub.com/index.php/jam/article/view/2233.