@article{seaton:2002:cfa,
    author = {Seaton, M. J.},
     title = {{C}oulomb functions for attractive and repulsive potentials and
              for positive and negative energies},
   journal = {Comput. Phys. Comm.},
  fjournal = {Computer Physics Communications. An International Journal and
              Program Library for Computational Physics and Physical
              Chemistry},
    volume = {146},
      year = {2002},
    number = {2},
     pages = {225–249},
      issn = {0010-4655},
     coden = {CPHCBZ},
   mrclass = {81V45 (33E20 81Q05)},
  mrnumber = {MR1911183 (2003d:81338)},
       doi = {10.1016/S0010-4655(02)00275-8},
     zblno = {1007.81020}}