@Article{ 
  KumNalPla18,
  author = { Kummer, Mario and Naldi, Simone and Plaumann, Daniel },
  title = { Spectrahedral representations of plane hyperbolic curves },
  journal = { Pac. J. Math. },
  year = { 2019 },
  doi = { 10.2140/pjm.2019.303.243 },
  volume = { 1 },
  pages = { 243–263 },
  URL = { https://gecogedi.dimai.unifi.it/paper/311/ },
  note = { cvgmt preprint}
}