@misc{indiciae9b5d469ede79,
  title = {Nonlinear state estimation and feedback control of nonlinear and bilinear distributed parameter systems},
  author = {Balas, M. J.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810036683},
  note = {Source identifier: 19810036683}
}