@misc{841921,
  author = {P Boggs and Anthony Kearsley and J Tolle},
  title = {Optimality Conditions for Hierarchical Control},
  year = {2002},
  month = {2002-11-07 00:11:00},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}