@article{patera:1973:nbr,
    author = {Patera, J. and Winternitz, P.},
     title = {A new basis for the representation of the rotation group.
              {L}am\'e and {H}eun polynomials},
   journal = {J. Mathematical Phys.},
    volume = {14},
      year = {1973},
    number = {8},
     pages = {1130–1139},
       doi = {10.1063/1.1666449},
     zblno = {0285.22017}}