@misc{indiciae8d6a9a96abe4,
  title = {Dynamics of a nonlinear parametrically excited partial differential equation.},
  author = {W. I. Newman and R. H. Rand and A. L. Newman},
  year = {1999},
  doi = {10.1063/1.166397},
  url = {https://pubmed.ncbi.nlm.nih.gov/12779821/},
  note = {Source identifier: 12779821}
}