1. N. A. Abiev, “On topological structure of some sets related to the normalized Ricci flow on generalized Wallach spaces,” Vladikavkaz.Mat. Zh. 17 (3), 5 (2015).
2. N. A. Abiev, A. Arvanitoyeorgos A., Yu. G. Nikonorov, and P. Siasos, “The dynamics of the Ricci flow on generalizedWallach spaces,” Differ. Geom. Appl. 35 (Suppl.), 26 (2014).
3. N. A. Abiev, A. Arvanitoyeorgos A., Yu. G. Nikonorov, and P. Siasos, “The Ricci flow on some generalized Wallach spaces,” Geometry and Its Applications / Eds. V. Rovenski and P. Walczak. Springer Proc. in Math. & Stat. 72, 3 (Springer, Cham, 2014).
4. N. A. Abiev and Yu. G. Nikonorov, “The evolution of positively curved invariant Riemannian metrics on theWallach spaces under the Ricci flow,” Ann. Global Anal. Geom. 50, 65 (2016).
5. A. A. Andronov, E. A. Leontovich, I. I. Gordon, and A. G. Maier, Qualitative Theory of Second-Order Dynamic Systems, (Nauka, Moscow, 1966; Halsted Press, New York–Toronto, Ont., 1973).