1. M. A. Alexeev, L. Yu. Glebsky, and E. I. Gordon, “On approximations of groups, group actions and Hopf algebras,” J. Math. Sci., 107, No. 5, 4305–4332 (2001).
2. A. M. Vershik, “Countable groups close to finite ones,” Addendum to the Russian translation of the book [8]. Mir, Moscow (1973), pp. 112–135.
3. A. M. Vershik, “Amenability and approximation of infinite groups,” Selecta Math. Soviet., 2, No. 4, 311–330 (1982).
4. A. M. Vershik and E. I. Gordon, “Groups that are locally embeddable in the class of finite groups,” Algebra Analiz, 9, No. 1, 49–67 (1998).
5. L. Yu. Glebsky and E. I. Gordon, “On approximation of locally compact groups by finite algebraic systems,” Electron. Res. Announc. Amer. Math. Soc., 10, 21–28 (2004).