@article{Shi2005a,
  author    = {{Shi, Qian Li}},
  title     = {{Properties of cycle sets}},
  journal   = {{J. Yangzte Univ. Natural Science. [Changjiang daxue xuebao. Zi ke ban]}},
  year      = {{2005}},
  volume    = {{2}},
  number    = {{7}},
  pages     = {{191--192}},
  note      = {{MR 2241924}},
}