@article{JGG_2005_9_1_JGG_2005_9_1_a0,
     author = {C.-S. Barbat },
     title = {Examples of {B�zier-Surfaces} of {Revolution}},
     journal = {Journal for geometry and graphics},
     pages = {1--9},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/JGG_2005_9_1_JGG_2005_9_1_a0/}
}