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References
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| 1. |
de la Harpe P., Topics in Geometric Group Theory, Univ. of Chicago Press, Chicago, 2000 |
| 2. |
Sambusetti A., “Minimal growth of non-Hopfian free products”, C. R. Acad. Sci. Paris Sér. I, 329 (1999), 943–946 |
| 3. |
Arzhantseva G., Lysionok I., “Growth tightness for word hyperbolic groups”, Math. Z., 241 (2002), 597–611 |
| 4. |
Wilson J. S., “On exponential and uniformly exponential growth for
groups”, Invent. Math., 155:2 (2004), 287–303 |
| 5. |
Lindon R., Shupp P., Kombinatornaya teoriya grupp, Mir, M., 1980 |
| 6. |
Magnus V., Karras A., Soliter D., Kombinatornaya teoriya grupp, Nauka, M., 1974 |