@article{gokani2024analytical,
  title={Analytical solutions for acoustic vortex beam radiation from planar and spherically focused circular pistons},
  author={C.~A.~Gokani and M.~R.~Haberman and M.~F.~Hamilton},
  journal={JASA Express Lett.},
  volume={4},
  number={12},
  pages={124001},
  year={2024}
}