Baumslag, Gilbert; Shalen, Peter B. Groups whose three-generator subgroups are free. (English) Zbl 0682.20016 Bull. Aust. Math. Soc. 40, No. 2, 163-174 (1989). Reviewer: W.Heil MSC: 20E06 20F05 20E07 20F34 57N10 PDFBibTeX XMLCite \textit{G. Baumslag} and \textit{P. B. Shalen}, Bull. Aust. Math. Soc. 40, No. 2, 163--174 (1989; Zbl 0682.20016) Full Text: DOI
Alperin, Roger C.; Shalen, Peter B. Linear groups of finite cohomological dimension. (English) Zbl 0497.20042 Invent. Math. 66, 89-98 (1982). MSC: 20J05 20G10 20H25 PDFBibTeX XMLCite \textit{R. C. Alperin} and \textit{P. B. Shalen}, Invent. Math. 66, 89--98 (1982; Zbl 0497.20042) Full Text: DOI EuDML
Alperin, Roger C.; Shalen, Peter B. Linear groups of finite cohomological dimension. (English) Zbl 0471.20034 Bull. Am. Math. Soc., New Ser. 4, 339-341 (1981). MSC: 20J05 20G10 20H25 PDFBibTeX XMLCite \textit{R. C. Alperin} and \textit{P. B. Shalen}, Bull. Am. Math. Soc., New Ser. 4, 339--341 (1981; Zbl 0471.20034) Full Text: DOI