Sachs, Hans Kreisflaechen im zweifach isotropen Raum. (German) Zbl 0335.53009 J. Geometry 8, 33-47 (1976). MSC: 53A40 53A30 51B05 PDFBibTeX XMLCite \textit{H. Sachs}, J. Geom. 8, 33--47 (1976; Zbl 0335.53009) Full Text: DOI
Garsia, A. Imbeddings of some closed Riemann surfaces by canal surfaces. (English) Zbl 0100.17801 Rend. Circ. Mat. Palermo, II. Ser. 9, 313-333 (1961). PDFBibTeX XMLCite \textit{A. Garsia}, Rend. Circ. Mat. Palermo (2) 9, 313--333 (1961; Zbl 0100.17801) Full Text: DOI
Barner, Martin Über konforme, kreistreue Abbildung von Kreisflächen. (German) Zbl 0077.15702 Arch. Math. 8, 66-76 (1957). PDFBibTeX XMLCite \textit{M. Barner}, Arch. Math. 8, 66--76 (1957; Zbl 0077.15702) Full Text: DOI