@article{JGG_2019_23_2_JGG_2019_23_2_a5,
     author = {P. Pech and G. Weiss },
     title = {Jakob {Steiner's} {Construction} of {Conics} {Revisited}},
     journal = {Journal for geometry and graphics},
     pages = {189--199},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2019},
     url = {http://geodesic.mathdoc.fr/item/JGG_2019_23_2_JGG_2019_23_2_a5/}
}