On finite-index extensions of subgroups of free groups.

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Bibliographic Details
Title:	On finite-index extensions of subgroups of free groups.
Authors:	Silva, Pedro¹ pvsilva@fc.up.pt, Weil, Pascal^2,3 pascal.weil@labri.fr
Source:	Journal of Group Theory. May2010, Vol. 13 Issue 3, p365-381. 17p.
Database:	Mathematics Source

Description
ISSN:	14335883
DOI:	10.1515/JGT.2009.055