Zieschang, Heiner; Zimmermann, Bruno Endliche Gruppen von Abbildungsklassen gefaserter 3-Mannigfaltigkeiten. (German) Zbl 0405.57005 Math. Ann. 240, 41-62 (1979). MSC: 57N10 57S17 PDFBibTeX XMLCite \textit{H. Zieschang} and \textit{B. Zimmermann}, Math. Ann. 240, 41--62 (1979; Zbl 0405.57005) Full Text: DOI EuDML
Peszynski, Norbert; Zieschang, Heiner On coverings of Seifert 3-manifolds. (English) Zbl 0382.57001 Arch. Math. 31, 382-386 (1979). MSC: 57M10 57N12 57R52 PDFBibTeX XMLCite \textit{N. Peszynski} and \textit{H. Zieschang}, Arch. Math. 31, 382--386 (1979; Zbl 0382.57001) Full Text: DOI