@misc{indiciaec9fe770cb9a2,
  title = {A weak Hamiltonian finite element method for optimal control problems},
  author = {Hodges, Dewey H. and Bless, Robert R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890015502},
  note = {Source identifier: 19890015502}
}