@article{SIGMA_2006_2_a9,
     author = {Francisco Jos\'e Herranz and \'Angel Ballesteros},
     title = {Superintegrability on {Three-Dimensional} {Riemannian} and {Relativistic} {Spaces} of {Constant} {Curvature}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a9/}
}