@misc{indiciaedc99fcf88c0e,
  title = {Absorbing boundary conditions for second-order hyperbolic equations},
  author = {Jiang, Hong and Wong, Yau Shu},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900047494},
  note = {Source identifier: 19900047494}
}