@article{berry:1990:ss,
    author = {Berry, M. V. and Howls, C. J.},
     title = {{S}tokes surfaces of diffraction catastrophes with codimension
              three},
   journal = {Nonlinearity},
  fjournal = {Nonlinearity},
    volume = {3},
      year = {1990},
    number = {2},
     pages = {281–291},
      issn = {0951-7715},
     coden = {NONLE5},
   mrclass = {58C28 (34E05 58F14 78A45)},
  mrnumber = {MR1054577 (91h:58011)},
mrreviewer = {Maria Carmen Romero-Fuster},
       doi = {10.1088/0951-7715/3/2/003},
     zblno = {0706.65133}}