@article {mcninch04:MR2052869,
    AUTHOR = {McNinch, George},
     TITLE = {Nilpotent orbits over ground fields of good
                  characteristic},
   JOURNAL = {Math. Ann.},
  FJOURNAL = {Mathematische Annalen},
    VOLUME = 329,
      YEAR = 2004,
    NUMBER = 1,
     PAGES = {49--85},
      OPTISSN = {0025-5831},
     CODEN = {MAANA},
   MRCLASS = {17B45 (22E50)},
  optMRNUMBER = {2052869 (2005j:17018)},
       OPTDOI = {10.1007/s00208-004-0510-9},
       OPTURL = {http://dx.doi.org/10.1007/s00208-004-0510-9},
}