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References
|
|
|
1. |
Gruenberg K. W., “Residual properties of infinite soluble groups”, Proc. Lond. Math. Soc., 7 (1957), 29–62 |
2. |
Baumslag G., “On the residual finiteness of generalized free products of nilpotent groups”, Trans. Amer. Math. Soc., 106 (1963), 193–209 |
3. |
Higman G., “Amalgams of $p$-groups”, J. Algebra, 1 (1963), 301–305 |
4. |
Tumanova E. A., “Ob approksimiruemosti konechnymi gruppami obobschennykh svobodnykh proizvedenii grupp”, Chebyshevskii sbornik, 13:1 (2012), 150–152 |
5. |
Azarov D. N., Tedzho D., “Ob approksimiruemosti svobodnogo proizvedeniya grupp s ob'edinennoi podgruppoi kornevym klassom grupp”, Nauch. tr. Ivan. gos. un-ta. Matematika, 2002, no. 5, 6–10 |
6. |
Karrass A., Solitar D., “The subgroups of a free product of two groups with an amalgamated subgroup”, Trans. Amer. Math. Soc., 150 (1970), 227–255 |