@techreport{king:1970:fcp,
    author = {King, B. J. and Baier, R. V. and Hanish, S.},
     title = {A {F}ortran computer program for calculating the prolate
              spheroidal radial functions of the first and second kind
              and their first derivatives},
institution = {Naval Res.\ Lab.\, Washingtion, D. C.},
      type = {{NRL} Report No. 7012},
      year = {1970}}