@misc{indiciaed94bf98c34a1,
  title = {Theory of optimal control and mathematical programming},
  author = {Canon, M. D. and Cullum, C. D., Jr. and Polak, E.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700064775},
  note = {Source identifier: 19700064775}
}