Sarli, John. “Conics in the Hyperbolic Plane Intrinsic to the Collineation Group”. Journal of Geometry, vol. 103, no. 1, 2012, pp. 131-48, https://doi.org/10.1007/s00022-012-0115-5.
Sarli, J. (2012). Conics in the hyperbolic plane intrinsic to the collineation group. Journal of Geometry, 103(1), 131-148. https://doi.org/10.1007/s00022-012-0115-5
Sarli J. Conics in the hyperbolic plane intrinsic to the collineation group. Journal of Geometry. 2012;103(1):131-48.