@article{8260,
  author = {T.-S. Ho and S.-I. Chu},
  title = {Floquet-Liouville super-matrix approach for multiphoton nonlinear optical processes in intense laser fields},
  year = {1985},
  journal = {Chemical Physics Letters},
  volume = {122},
  pages = {327\textendash332},
  url = {http://ac.els-cdn.com/0009261485802311/1-s2.0-0009261485802311-main.pdf?_tid=7fa80756-2ba1-11e3-940d-00000aacb361\&acdnat=1380746018_3a102d59e41dbdc816cb0daa65e92f2b},
  note = {JILA Pub. 3138},
}