2 citations to https://www.mathnet.ru/eng/timm1808

1. I. L. Sokhor, “Finite groups with absolutely $\mathfrak{F}$-subnormal maximal subgroups”, Tr. IMM UrO RAN, 29, no. 1, 2023, 254–258      
2. Konovalova M.N., Monakhov V.S., Sokhor I.L., “Finite Groups With Formational Subnormal Strictly 2-Maximal Subgroups”, Commun. Algebr., 50:4 (2022), 1606–1612