@article{Bunster:2011Mb,
  author = "Bunster, Claudio  and  Henneaux, Marc",
  title = "{Sp(2n;R) electric-magnetic duality as off-shell symmetry of interacting electromagnetic and scalar fields}",
  doi = "10.22323/1.109.0028",
  journal = "PoS",
  year = 2011,
  volume = "HRMS",
  pages = "028"
}