Nicholls, P. J. Kleinian groups of divergence type. (English) Zbl 0466.30036 Proc. Am. Math. Soc. 83, 319-330 (1981). MSC: 30F40 20H10 PDFBibTeX XMLCite \textit{P. J. Nicholls}, Proc. Am. Math. Soc. 83, 319--330 (1981; Zbl 0466.30036) Full Text: DOI
Nicholls, Peter J. Fundamental regions and the type problem for a Riemann surface. (English) Zbl 0423.30038 Math. Z. 174, 187-196 (1980). MSC: 30F20 30F35 PDFBibTeX XMLCite \textit{P. J. Nicholls}, Math. Z. 174, 187--196 (1980; Zbl 0423.30038) Full Text: DOI EuDML