On nonamenable groups

A sufficient condition is given for a countable discrete group G to contain a free subgroup of two generators.

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Bibliographic Details
Main Author: Su-Shing Chen
Format: Article
Language:English
Published: Wiley 1978-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171278000526
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