@article {mcninch02:MR1874545,
    AUTHOR = {McNinch, George},
     TITLE = {Abelian unipotent subgroups of reductive groups},
   JOURNAL = {J. Pure Appl. Algebra},
  FJOURNAL = {Journal of Pure and Applied Algebra},
    VOLUME = 167,
      YEAR = 2002,
    NUMBER = {2-3},
     PAGES = {269--300},
      OPTISSN = {0022-4049},
     CODEN = {JPAAA2},
   MRCLASS = {20G15 (17B20 17B45 20G10)},
  optMRNUMBER = {1874545 (2002i:20064)},
MRREVIEWER = {Ivan V. Arzhantsev},
       OPTDOI = {10.1016/S0022-4049(01)00038-X},
       OPTURL = {http://dx.doi.org/10.1016/S0022-4049(01)00038-X},
}