@misc{indiciae500b45de1a99,
  title = {Weak Hamiltonian finite element method for optimal control problems},
  author = {Hodges, Dewey H. and Bless, Robert R.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910038332},
  note = {Source identifier: 19910038332}
}