Abstract
Motivated by their study of pro-p limit groups,
D. H. Kochloukova and P. A. Zalesskii formulated in [15, Remark after Theorem 3.3]
a question concerning the minimum number of generators
Funding statement: The second author was supported by CNPq-Brazil.
Acknowledgements
The authors would like to thank H. Wilton for a very useful comment concerning an earlier version of the paper, and also the referee for his/her helpful remarks.
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