@misc{indiciae9e5501329587,
  title = {Calculations of rotational flows using stream function},
  author = {Hafez, M. and Yam, C. and Tang, K. and Dwyer, H.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890041045},
  note = {Source identifier: 19890041045}
}