@misc{indiciaea79d91f984d4,
  title = {Suboptimal state estimation for continuous-time nonlinear systems from discrete noisy measurements.},
  author = {Athans, M. and Bertolini, A. and Wishner, R. P.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690039950},
  note = {Source identifier: 19690039950}
}