@misc{indiciaee7b7aea32314,
  title = {Eulerian method for computing multivalued solutions of the Euler-Poisson equations and applications to wave breaking in klystrons.},
  author = {Xiantao Li and John G Wöhlbier and Shi Jin and John H Booske},
  year = {2004},
  doi = {10.1103/physreve.70.016502},
  url = {https://pubmed.ncbi.nlm.nih.gov/15324179/},
  note = {Source identifier: 15324179}
}