@misc{indiciaeeb3aca99deba,
  title = {Optimal and robust controllers for periodic and multirate systems},
  author = {Dahleh, Munther A. and Voulgaris, Petros G. and Valavani, Lena S.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920043256},
  note = {Source identifier: 19920043256}
}