@article{miles:1975:aap,
    author = {Miles, John W.},
     title = {Asymptotic approximations for prolate spheroidal wave
              functions},
   journal = {Studies in Appl. Math.},
    volume = {54},
      year = {1975},
    number = {4},
     pages = {315–349},
   mrclass = {33A55},
  mrnumber = {MR0450640 (56 \#8933)},
mrreviewer = {M. L. Mehta},
     zblno = {0327.33006}}