@article{Mavromatos:1999D4,
  author = "Mavromatos, Nikolaos  and  Szabo, R. J.",
  title = "{Logarithmic Conformal Field Theories ...}",
  doi = "10.22323/1.001.0066",
  journal = "PoS",
  year = 1999,
  volume = "corfu98",
  pages = "066"
}