@misc{indiciae3f5e702adfcd,
  title = {The experimental computer control of a two-dimensional hyperbolic system},
  author = {Yam, Y. and Lang, J. H. and Staelin, D. H. and Johnson, T. L.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850022853},
  note = {Source identifier: 19850022853}
}