@article{ivanov1990nonsymmetrical,
author = "S. Ivanov and E. Alexov and P. Malinov",
title = "Nonsymmetrical Electromagnetic Waves in Partially Plasma—Filled Waveguide",
year = 1990,
journal = "Contributions to Plasma Physics",
publisher = "WILEY-VCH Verlag Berlin",
volume = 30,
number = 6,
pages = "755-762"
}