@article{PismaZhETF.31.228,
    title = {Spectrum of electron-ripplon system on the surface of liquid helium in the presence of a magnetic field normal to this surface},
    author = {Fisher, D. S. and Shikin, V. B.},
    journal = {Письма в ЖЭТФ},
    volume = {31},
    issue = {4},
    pages = {228},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20281.shtml},
}