@article {MR1392057,
    AUTHOR = {Coron, Jean-Michel and Kera{\"{\i}}, El-Yazid},
     TITLE = {Explicit feedbacks stabilizing the attitude of a rigid
              spacecraft with two control torques},
   JOURNAL = {Automatica J. IFAC},
  FJOURNAL = {Automatica. A Journal of IFAC, the International Federation of
              Automatic Control},
    VOLUME = {32},
      YEAR = {1996},
    NUMBER = {5},
     PAGES = {669--677},
      ISSN = {0005-1098},
     CODEN = {ATCAA9},
   MRCLASS = {93D15 (93C95)},
  MRNUMBER = {MR1392057},
}