@misc{indiciaecd19ee0d6585,
  title = {RKH space approximations for the feedback operator in a linear hereditary control system},
  author = {Reneke, J. A. and Fennell, R. E.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870009605},
  note = {Source identifier: 19870009605}
}