@misc{indiciae9aaf762c58ec,
  title = {Analysis of selected problems involving vortical flows},
  author = {Roberts, L. and Lee, D. J. and Mourtos, N. J.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850016901},
  note = {Source identifier: 19850016901}
}