@article{noumi:1999:sfp,
    author = {Noumi, Masatoshi and Yamada, Yasuhiko},
     title = {Symmetries in the fourth {P}ainlev\'e equation and {O}kamoto
              polynomials},
   journal = {Nagoya Math. J.},
  fjournal = {Nagoya Mathematical Journal},
    volume = {153},
      year = {1999},
     pages = {53–86},
      issn = {0027-7630},
     coden = {NGMJA2},
   mrclass = {34A34 (33E17 34A26 34C14 34M55 37K10 37K35)},
  mrnumber = {MR1684551 (2000c:34015)},
mrreviewer = {Andrei A. Kapaev},
 euclid_id = {euclid.nmj/1114630819},
     zblno = {0932.34088}}