@article{boyd:1973:aac,
    author = {Boyd, W. G. C.},
     title = {The asymptotic analysis of canonical problems in
              high-frequency scattering theory. {II}. {T}he circular and
              parabolic cylinders},
   journal = {Proc. Cambridge Philos. Soc.},
    volume = {74},
      year = {1973},
     pages = {313–332},
   mrclass = {78.35},
  mrnumber = {MR0321421 (47 \#9954)},
mrreviewer = {Y. M. Chen},
       doi = {10.1017/S0305004100048106}}