1. Suprunenko D.A., Matrix Groups, Amer. Math. Soc., Providence (1976).
2. Ado I.D., “On subgroups of the countable symmetric group,” C. R. (Doklady) Acad. Sci. URSS, vol. 50, no. 3, 15–17 (1945).
3. Sozutov A.I., Suchkov N.M., and Suchkova N.G., “On subgroups of the group $ \operatorname{Lim}(N) $,” Sib. Electr. Math. Reports, vol. 17, 208–217 (2020).
4. Kargapolov M.I. and Merzlyakov Yu.I., Fundamentals of the Theory of Groups, Springer, New York, Heidelberg, and Berlin (1979).