@misc{indiciaef1372928d229,
  title = {Robustness and computational aspects of nonlinear stochastic estimators and regulators},
  author = {Safonov, M. G. and Athans, M.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780065349},
  note = {Source identifier: 19780065349}
}