@misc{indiciae4fb1825e3ad9,
  title = {Variational Methods For Field Theories},
  author = {Ben-Menahem, S.},
  year = {2018},
  doi = {10.2172/1453984},
  url = {https://www.osti.gov/biblio/1453984},
  note = {Source identifier: 1453984}
}