@misc{indiciae4e7cd5b7c3c0,
  title = {A finite-state, finite-memory minimum principle, part 2},
  author = {Sandell, N. R., Jr. and Athans, M.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750024955},
  note = {Source identifier: 19750024955}
}