@misc{indiciaedbbb32c49043,
  title = {Lower bounds to error probability for coding on discrete memoryless channels. I.},
  author = {Berlekamp, E. R. and Gallager, R. G. and Shannon, C. E.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670045541},
  note = {Source identifier: 19670045541}
}