@article{JGG_2018_22_1_JGG_2018_22_1_a6,
     author = {V. Oxman and A. Sigler and M. Stupel },
     title = {Generalization of the {Pappus} {Theorem} in the {Plane} and in {Space}},
     journal = {Journal for geometry and graphics},
     pages = {59--66},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2018},
     url = {http://geodesic.mathdoc.fr/item/JGG_2018_22_1_JGG_2018_22_1_a6/}
}