2 citations to https://www.mathnet.ru/eng/semr841

1. A. P. Khramova, N. V. Maslova, V. V. Panshin, A. M. Staroletov, “Characterization of groups $E_6(3)$ and ${^2}E_6(3)$ by Gruenberg–Kegel graph”, Sib. elektron. matem. izv., 18:2 (2021), 1651–1656    
2. I. Gorshkov, A. Staroletov, “On groups having the prime graph as alternating and symmetric groups”, Commun. Algebr., 47:9 (2019), 3905–3914