TY  - RPRT
TI  - Method for constructing periodic orbits in nonlinear dynamic systems
AU  - Bennett, A. G.
AU  - Hanafy, L. M.
AU  - Palmore, J. I.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19710000150
ID  - 19710000150
ER  -