%0 Journal Article %A Horwitz, Alan %T Finding ellipses and hyperbolas tangent to two, three, or four given lines. %J Southwest Journal of Pure and Applied Mathematics [electronic only] %D 2002 %P 6 %V 2002 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/SJPAM_2002__2002_1_227105/ %G en %F SJPAM_2002__2002_1_227105