@misc{indiciae436fc2129fd9,
  title = {Evolution equation for infinitesimal rotational discontinuities},
  author = {Sonnerup, B. U. O. and Qian, S. and Wang, D.-J.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910033513},
  note = {Source identifier: 19910033513}
}