1Apollonius. Conics (translated by R. C. Talia{erro). In: R. M. Hutchins (ed.), Great Books of the Western World (11). Chicago.. Encyclopaedia Britannica, Inc., 1982. 628 --629.
2Struik, D. J. A Source Book in Mathematics, 1200--1800. Princeton: Princeton University Press, 1986. 143--150.
3Boyer, C. B. History of Analytic Geometry. New York Scripta Mathematica, 1956. 110--117.
4Guisnee, N. Application de l'Algebre et la Geometric. J. Bou dot et J. Quillau, 1705. 71--72.
5Coffin, J. H. Elements of Conic Sections & Analytical Geom- etry. New York: Robert B. Collins, 1851. 99.
6L'Hospital, M. de. Trait6 Analytique des Sections Coniques. Paris: Montalant, 1720. 22--25.
7Steell, R. A Treatise of Conic Sections. London= St John's Gate, 1745. 17.
8Jackson, I. W. Elements of Conic Sections. Albany: Gray and Sprague, 1850. 6--7.
9Robinson, H. N. Conic Sections & Analytical Geometry. New York: Ivison, Phinney & Co. , 1862. 140--141.
10Wright, J. M. F. An Algebraic System of Conic Sections Other Curves. London: Black &Amstrong, 1836. 94--95.
