@article{hall:2010:scc,
    author = {Hall, Richard L. and Saad, Nasser and Sen, K. D.},
     title = {Soft-core {C}oulomb potentials and {H}eun's differential
              equation},
   journal = {J. Math. Phys.},
  fjournal = {Journal of Mathematical Physics},
    volume = {51},
      year = {2010},
    number = {Art. ID 022107, 19 pages},
      issn = {0022-2488},
     coden = {JMAPAQ},
   mrclass = {81Q05 (34L40)},
  mrnumber = {2605020 (2011d:81095)},
       doi = {10.1063/1.3290740},
     links = {\URL[FullText]{http://dx.doi.org/10.1063/1.3290740}}}