@article {MR944180,
    AUTHOR = {Kawski, Matthias},
     TITLE = {Nilpotent {L}ie algebras of vectorfields},
   JOURNAL = {J. Reine Angew. Math.},
  FJOURNAL = {Journal f\"ur die Reine und Angewandte Mathematik},
    VOLUME = {388},
      YEAR = {1988},
     PAGES = {1--17},
      ISSN = {0075-4102},
     CODEN = {JRMAA8},
   MRCLASS = {17B30 (57S20 58F99)},
  MRNUMBER = {MR944180 (89h:17011)},
MRREVIEWER = {Janusz Grabowski},
}