@misc{indiciaeef9b600e8f1f,
  title = {H(infinity) and H2 optimal controllers for periodic and multi-rate systems},
  author = {Voulgaris, Petros G. and Dahleh, Munther A. and Valavani, Lena S.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930029020},
  note = {Source identifier: 19930029020}
}