BibTeX Export

@article{Authenticus:P-003-726,
	title = {{On finite-index extensions of subgroups of free groups}},
	author = {P Silva and P Weil},
	doi = {10.1515/jgt.2009.055},
	journal = {Journal of Group Theory},
	number = {3},
	pages = {365-381},
	publisher = {Walter De Gruyter \& Co},
	type = {Article},
	volume = {13},
	year = {2010}
}