@article{SIGMA_2011_7_a53,
     author = {Yannis Tanoudis and Costas Daskaloyannis},
     title = {Algebraic {Calculation} of the {Energy} {Eigenvalues} for the {Nondegenerate} {Three-Dimensional} {Kepler{\textendash}Coulomb} {Potential}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a53/}
}