Feng, Wanxia; Zeng, Yan; Yu, Guoliang The relations between polarization and circular conic curves. (Chinese. English summary) Zbl 0983.51018 Nat. Sci. J. Harbin Norm. Univ. 11, No. 3, 25-30 (1995). MSC: 51N15 Projective analytic geometry Keywords:polarization; circular conic curves; center; diameter; conjugate diameter PDFBibTeX XMLCite \textit{W. Feng} et al., Nat. Sci. J. Harbin Norm. Univ. 11, No. 3, 25--30 (1995; Zbl 0983.51018)