Аbiev N.А., and Z.O. Turtkulbayeva. “On Non-Degenerate Singular Points of Normalized Ricci Flows on Some Generalized Wallach Spaces”. Bulletin of the Karaganda University. Mathematics Series 78, no. 2 (June 29, 2015): 4–10. Accessed September 7, 2025. http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/15.