@article{PismaZhETF.55.424,
    title = {Oscillators for free-mass gravitational antennas},
    author = {Braginskii, V. B. and Mitrofanov, V. P. and Okhrimenko, O. A.},
    journal = {Письма в ЖЭТФ},
    volume = {55},
    issue = {8},
    pages = {424},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19278.shtml},
}