@misc{indiciaee1bb3a7878d9,
  title = {Method for constructing periodic orbits in nonlinear dynamic systems},
  author = {Bennett, A. G. and Hanafy, L. M. and Palmore, J. I.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710000150},
  note = {Source identifier: 19710000150}
}