Mason, A. W. Quotients of the congruence kernels of \(\text{SL}_ 2\) over arithmetic Dedekind domains. (English) Zbl 0836.20069 Isr. J. Math. 91, No. 1-3, 77-91 (1995). Reviewer: G.Rosenberger (Dortmund) MSC: 20H05 20E07 20G35 PDFBibTeX XMLCite \textit{A. W. Mason}, Isr. J. Math. 91, No. 1--3, 77--91 (1995; Zbl 0836.20069) Full Text: DOI
Mason, A. W. Free quotients of congruence subgroups of \(SL_ 2\) over a Dedekind ring of arithmetic type contained in a function field. (English) Zbl 0619.20030 Math. Proc. Camb. Philos. Soc. 101, 421-429 (1987). Reviewer: G.Rosenberger MSC: 20H05 20E07 11R58 20G35 11E57 11F06 13F05 PDFBibTeX XMLCite \textit{A. W. Mason}, Math. Proc. Camb. Philos. Soc. 101, 421--429 (1987; Zbl 0619.20030) Full Text: DOI