@misc{indiciae83094fe4420c,
  title = {Stability analysis of numerical boundary conditions and implicit difference approximations for hyperbolic equations},
  author = {Beam, R. M. and Warming, R. F. and Yee, H. C.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810025327},
  note = {Source identifier: 19810025327}
}