@article{JGG_2002_6_1_a5,
     author = {K. Sugihara},
     title = {Laguerre {Voronoi} {Diagram} on the {Sphere}},
     journal = {Journal for geometry and graphics},
     pages = {069--082},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/JGG_2002_6_1_a5/}
}