@article{SIGMA_2007_3_a25,
     author = {Orlando Ragnisco and \'Angel Ballesteros and Francisco J. Herranz and Fabio Musso},
     title = {Quantum {Deformations} and {Superintegrable} {Motions} on {Spaces} with {Variable} {Curvature}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a25/}
}