@article{ivanov1990electromagnetic,
  author = "S. Ivanov and E. Alexov",
  title = "Electromagnetic waves in waveguide partially filled with semiconductor plasma",
  year = 1990,
  journal = "Contributions to Plasma Physics",
  publisher = "WILEY-VCH Verlag Berlin",
  volume = 30,
  number = 6,
  pages = "763-774"
}