@misc{indiciae447336736ec0,
  title = {The uniform asymptotic swallowtail approximation - Practical methods for oscillating integrals with four coalescing saddle points},
  author = {Connor, J. N. L. and Curtis, P. R. and Farrelly, D.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840040799},
  note = {Source identifier: 19840040799}
}