@article{JGG_2002_6_2_a4,
     author = {E. Korczak},
     title = {A {Quadratic} {Transformation} {Based} on a {Straight} {Line} and a {Conic}},
     journal = {Journal for geometry and graphics},
     pages = {151--166},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/JGG_2002_6_2_a4/}
}