@article{JGG_2009_13_1_JGG_2009_13_1_a5,
     author = {G. Panina },
     title = {On the {Combinatorics} of {Inflexion} {Arches} of {Saddle} {Spheres}},
     journal = {Journal for geometry and graphics},
     pages = {59--73},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/JGG_2009_13_1_JGG_2009_13_1_a5/}
}