@misc{indiciaed1ac8cd13adb,
  title = {Analysis of bilinear stochastic systems},
  author = {Willsky, A. S. and Marcus, S. I. and Martin, D. N.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19750007314},
  note = {Source identifier: 19750007314}
}