@article{frenzen:1990:ebu,
    author = {Frenzen, C. L.},
     title = {Error bounds for a uniform asymptotic expansion of the
              {L}egendre function ${Q}^{-m}_n({\rm cosh}\,z)$},
   journal = {SIAM J. Math. Anal.},
  fjournal = {SIAM Journal on Mathematical Analysis},
    volume = {21},
      year = {1990},
    number = {2},
     pages = {523–535},
      issn = {0036-1410},
     coden = {SJMAAH},
   mrclass = {33C55 (41A60)},
  mrnumber = {MR1038905 (91g:33014)},
mrreviewer = {F. W. J. Olver},
       doi = {10.1137/0521028},
     zblno = {0688.41034}}