@misc{indiciae67296b07cd08,
  title = {The linear quadratic optimal control problem for infinite dimensional systems over an infinite horizon - Survey and examples},
  author = {Bensoussan, A. and Delfour, M. C. and Mitter, S. K.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770055109},
  note = {Source identifier: 19770055109}
}