@misc{indiciae230b6c629c9f,
  title = {Nonlinear spiral density waves - An inviscid theory},
  author = {Shu, F. H. and Yuan, C. and Lissauer, J. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850049789},
  note = {Source identifier: 19850049789}
}