@CONFERENCE{T96aiaa,
  author = {Tsiotras, P.},
  title = {On the Optimal Regulation of an Axi-Symmetric Rigid Body with two Controls},
  booktitle = {AIAA Guidance, Navigation, and Control Conference},
  year = {July 29--31, 1996},
  address = {San Diego, CA},
  note = {Paper AIAA 96-3791}
}