@article{berry:1991:his,
    author = {Berry, M. V. and Howls, C. J.},
     title = {Hyperasymptotics for integrals with saddles},
   journal = {Proc. Roy. Soc. London Ser. A},
  fjournal = {Proceedings of the Royal Society. London. Series A.
              Mathematical, Physical and Engineering Sciences},
    volume = {434},
      year = {1991},
     pages = {657–675},
      issn = {0962-8444},
     coden = {PRLAAZ},
   mrclass = {41A60 (30E15 65D32)},
  mrnumber = {MR1126872 (92j:41041)},
mrreviewer = {Andreas Guthmann},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0962-8444%2819910909%29434%3A1892%3C657%3AHFIWS%3E2.0.CO%3B2-B}},
     zblno = {0764.30031}}