@article{gil:1998:cep,
    author = {Gil, A. and Segura, J.},
     title = {A code to evaluate prolate and oblate spheroidal harmonics},
   journal = {Comput. Phys. Comm.},
  fjournal = {Computer Physics Communications},
    volume = {108},
      year = {1998},
    number = {2-3},
     pages = {267–278},
      note = {Double-precision Fortran, maximum accuracy 18S},
       doi = {10.1016/S0010-4655(97)00126-4},
     links = {\URL[Code]{http://cpc.cs.qub.ac.uk/summaries/ADHD}},
     zblno = {0937.65021}}