@misc{indiciae1ecd4a8e3692,
  title = {Optimal digital redesign of continuous-time controllers},
  author = {Shieh, Leang S. and Zhang, Jian L. and Coleman, Norman P.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930052202},
  note = {Source identifier: 19930052202}
}