Sarli, John Conics in the hyperbolic plane intrinsic to the collineation group. (English) Zbl 1261.51014 J. Geom. 103, No. 1, 131-148 (2012). Reviewer: Rolf Riesinger (Wien) MSC: 51M09 51A45 PDFBibTeX XMLCite \textit{J. Sarli}, J. Geom. 103, No. 1, 131--148 (2012; Zbl 1261.51014) Full Text: DOI
Apostol, Tom M.; Mnatsakanian, Mamikon A. New descriptions of conics via twisted cylinders, focal disks, and directors. (English) Zbl 1172.51009 Am. Math. Mon. 115, No. 9, 795-812 (2008). Reviewer: Hans-Peter Schröcker (Innsbruck) MSC: 51M04 51N20 97G70 PDFBibTeX XMLCite \textit{T. M. Apostol} and \textit{M. A. Mnatsakanian}, Am. Math. Mon. 115, No. 9, 795--812 (2008; Zbl 1172.51009) Full Text: DOI
Calderer, M. Carme; Liu, Chun; Voss, Karl Radial configurations of smectic A materials and focal conics. (English) Zbl 0954.76004 Physica D 124, No. 1-3, 11-22 (1998). MSC: 76A15 76M30 82D30 PDFBibTeX XMLCite \textit{M. C. Calderer} et al., Physica D 124, No. 1--3, 11--22 (1998; Zbl 0954.76004) Full Text: DOI
Hebda, James J. The regular focal locus. (English) Zbl 0492.53040 J. Differ. Geom. 16, 421-429 (1981). MSC: 53C40 53C20 57N65 PDFBibTeX XMLCite \textit{J. J. Hebda}, J. Differ. Geom. 16, 421--429 (1981; Zbl 0492.53040) Full Text: DOI