3D Riemannian and Lorentzian spaces of non-constant curvature and their superintegrable Hamiltonians from a quantum sl2 algebra,

Article: 
3D Riemannian and Lorentzian spaces of non-constant curvature and their superintegrable Hamiltonians from a quantum sl2 algebra,
Authors: 
A. Ballesteros, A. Enciso, F.J. Herranz and O. Ragnisco
Journal: 
Phys. At. Nuclei
Volume: 
73
Pages: 
255–263
Year: 
2010
URL: 
http://www.icmat.es/miembros/aenciso/Alberto/Publications_files/27.pdf