2 citations to https://www.mathnet.ru/eng/semr1281

1. A. V. Zavarnitsine, D. O. Revin, “On $\pi$-submaximal subgroups of minimal nonsolvable groups”, Siberian Math. J., 63:5 (2022), 894–902      
2. D. O. Revin, A. V. Zavarnitsine, “Automorphisms of nonsplit extensions of 2-groups by PSL$_2(q)$”, J. Group Theory, 24:6 (2021), 1245–1261