@misc{indiciae99a86b6c8699,
  title = {A generalized gradient algorithm for dynamic optimization},
  author = {Zhao, Yiyuan and Bryson, A. E. and Slattery, R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890065324},
  note = {Source identifier: 19890065324}
}